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How to solve the worries? Only innovative non-ferrous metal industry innovation and development of the proposal

How to solve the worries? Only innovative non-ferrous metal industry innovation and development of the proposal

Since the beginning of this year, in the face of the continuous downward pressure of economic growth in the transformation of economic structure, China is setting off the most exciting part of mass entrepreneurship and innovation. Only innovation can find new economic growth points, only innovation can develop and grow, and only innovation can avoid elimination in the new wave of development. Facing the cold wave, industry insiders said that my country's non-ferrous metal industry is entering a "cold and long" winter. Since 2011, the market price of non-ferrous metals has entered a continuous downward cycle, and non-ferrous metal enterprises have suffered a large area of losses, which has reached the critical point of life and death. Overcapacity in the industry, declining consumption, high logistics costs, business model, profit model and product homogenization, lack of innovation in all aspects of ideas, systems, technology and products. In order to solve the above problems in the non-ferrous industry, only innovation. In the current tide of economic transformation, China's non-ferrous metal industry can only develop and grow through continuous innovation, and only through continuous innovation can we remain invincible. And how to innovate, in which areas of innovation is placed in front of each of our "colored people" important problems. The author believes that we must first innovate in concept. Second, there should be institutional innovation. Third, we should innovate in products and technology, which is the key to the survival and development of enterprises. Fourth, we should innovate in the business model, profit model and so on. First, the concept of innovation. First of all, the concept of non-ferrous enterprises must be innovative, from the leadership down to every employee. Our non-ferrous industry leaders and employees must have a sense of innovation. Any new ideas, new ideas, new concepts, new improvements or inventions in products, operations or technologies can be described as innovation and are worthy of encouragement and promotion. Second, institutional innovation. From the national level, China should establish and improve a complete set of institutional system (including legal system) to ensure the long-term and healthy development of innovation, protect the interests of innovative personnel from damage, and severely crack down on the infringement of innovation rights and interests. From the non-ferrous metals industry level, establish and improve the industry's rules and regulations to encourage industry-wide innovation activities. Third, product and technological innovation can also be called invention. The innovation and improvement of technology and products is the key to the success of China's economic transformation and the core of non-ferrous enterprises to maintain profitability. Nonferrous enterprises, especially production enterprises, should increase investment in innovation and research and development, accelerate industrial research and development, enhance core competitiveness, and improve and create technologies and products with completely independent intellectual property rights, independent brands, and independent characteristics. For example, Alcoa just announced a new technology last year, Micromill micro-mill technology, which can produce very advanced aluminum plates in the world. This technology will greatly improve the performance of the next generation of automotive aluminum products, so that the formability of automotive aluminum alloy increased by 40%, the strength increased by 30%. At the same time, Micromill technology will increase production efficiency by 80%, while the impact on the environment will be significantly reduced, and energy consumption will be reduced by 50%. At present, this technology has been piloted in the United States and has been successfully tested by customers. This technology has led to a major breakthrough in the application of aluminum materials, making it an achievable goal for the automotive industry to replace steel with aluminum in the foreseeable future. The emergence of new technologies and new products has promoted the development of the company and even the advancement of the industry. Such innovation drive will play an increasingly important role in the future. Fourth, the innovation of business model and profit model. The innovation of management mode, business model and profit model is the key to the survival and development of non-ferrous enterprises, especially trading enterprises. At present, the traditional trade form and profit model are seriously homogenized, and it is difficult to continue. How to create new profit points has become a problem worth thinking about. For example, some enterprises that started with trade have extended their tentacles to the upstream and downstream of the industrial chain, exploring the resource side upward, looking for reliable resource guarantee to support sustainable development, and developing fine, fine and deep processing downward to create products with high added value. Planning every link of industrial development from the perspective of the entire industrial chain, not only provides products, but also provides services throughout the upstream and downstream of the industrial chain, such as warehousing and logistics, financial financing, risk management and other services. This model has changed the traditional form of trade, and also provides us with a development direction that we can learn from. Innovation in risk management systems is also important. As the price of non-ferrous metals shows the characteristics of cyclical fluctuations, risk management has been a long-standing problem in the non-ferrous industry for many years. Non-ferrous enterprises should innovate in risk management systems and measures, and the traditional manual supervision model may be difficult to adapt to the new situation. The use of Internet thinking and technology for the whole process of risk monitoring, and the active use of various technical means for the whole process of big data collection and analysis supervision will become a new risk management trend in the non-ferrous industry. While preventing and controlling risks, refine the business assessment of each link, achieve continuous improvement of operations, and optimize business results. I believe that risk management under new technologies and new concepts will better serve the entire industry chain. In short, the effective implementation of innovation in non-ferrous enterprises is inseparable from the innovation of corporate ideas, the protection of national policies and systems, the efforts of the enterprise itself, and every employee of the enterprise. Only in this way, mass entrepreneurship and innovation will not become a mere formality, and the non-ferrous metal industry can achieve considerable development.

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How much do you know about the performance data of doors and windows?

How much do you know about the performance data of doors and windows?

The six main properties of doors and windows 1, thermal insulation, that is, K value 2, wind pressure resistance 3, water tightness 4, air tightness 5, daylighting 6, sound insulation and noise reduction 1. What is the K value of doors and windows? 1. Concept: K value is also called heat transfer coefficient, which used to be called total heat transfer coefficient. The current national standard specification unified named heat transfer coefficient. The heat transfer coefficient K value refers to the heat transferred through an area of 1 square meter within 1 hour under the condition of stable heat transfer, with the air temperature difference on both sides of the enclosure being 1 degree (K,℃), and the unit is watts/square meter degree (W/㎡ • K). Heat transfer coefficient K(W/m2 • K) of various door and window materials: ordinary aluminum alloy profile: 6.6 heat insulation aluminum alloy profile: 4.0 wood window frame: 1.8 5 ㎜ white glass: 5.5(5 + 12A +5)mm hollow white glass: 2.8 (5 + 9A +5)㎜ hollow white glass: 3.0 (56 + 6A +5)mm hollow white glass: simple calculation method of K value of 3.2 doors and windows (without considering air tightness) In general doors and windows, the proportion of profile area is about 25%, and the proportion of glass area is about 75%. The simple calculation of K value of heat transfer coefficient of various doors and windows is about: ordinary aluminum alloy profile doors and windows: K = 6.6 × 25%+2.8 × 75%= 3.75 heat insulating aluminum profile doors and windows: K = 4.0 × 25%+2.8 × 75%= The calculation method of heat loss of 3.10 doors and windows is to calculate the total heat loss of the window based on the heat transfer coefficient K value of 3.5W/(m2 K), the outdoor temperature of heating is 0 ℃, and the indoor design temperature of heating is 20 ℃ (note: heat loss caused by air leakage is not included): 3.5 ×(1.2 × 1.5)× 20=126 W/h 2. What is the wind pressure resistance of doors and windows? Concept: Wind pressure resistance refers to the ability of the closed outer (door) window without damage and dysfunction under wind pressure. This indicator is a very important one of the three basic physical properties of doors and windows. The wind pressure resistance design of doors and windows shall be carried out in accordance with the relevant requirements of the GB50009 Load Code for Building Structures. 3. What is the water tightness of doors and windows? Water tightness refers to the ability of the closed outer (door) window to prevent rainwater leakage under the simultaneous action of wind and rain. This indicator is one of the three basic physical properties of doors and windows. 4. what is the air tightness of doors and windows? Air tightness refers to the ability of the outer (door) window to prevent air penetration in the closed state. This indicator is one of the three basic physical properties of doors and windows. 5. What is the lighting of doors and windows? Concept: Lighting refers to the brightness of light and sunshine. Lighting coefficient: refers to the ratio of the area of the window opening of the house to the floor area of the house. In general building doors and windows, the profile area accounts for about 25%, and the glass area accounts for about 75%, 6. what is the sound insulation performance of doors and windows? The sound insulation performance of doors and windows refers to the ability of doors and windows to weaken the sound propagation from the sound source to the listener. At present, there is no mandatory requirement for sound insulation performance of doors and windows in national standards and line standards.

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Information | Development prospects of China's energy-saving doors and windows industry

Information | Development prospects of China's energy-saving doors and windows industry

Although some areas of our country have begun to formulate energy-saving door and window industry standards, they are quite backward compared with developed countries. At present, the domestic energy-saving doors and windows very high standards of Beijing, K value also has a certain gap with European standards. Among the three major energy consumption in the whole society, building energy consumption accounts for more than 40% of the total energy consumption of the whole society, and the energy consumption of buildings lost through doors and windows accounts for nearly half of the total energy consumption of buildings. Building energy efficiency, doors and windows are the key. But for a long time, due to social cognitive problems, this important energy-saving field has been neglected and marginalized for a long time. Reduce indoor heat loss in winter, block outdoor heat conduction to indoor in summer, maintain indoor cooling effect, doors and windows play a key role. 1. The development process of European doors and windows The typical representative of European doors and windows energy saving is Germany. The change of German doors and windows energy saving standard is the future development direction of China's doors and windows energy saving. The heat transfer coefficient of German doors and windows was called K value before 1995 (consistent with our country now), and then changed to U value. In 1977, Germany required that the value of profile k should not exceed 3.5w/m2 k, which was reduced to 1.8w/m2 k in 1995, a reduction of nearly half. In 2002, the Uw value of the whole window was required to be no more than 1.7w/m2 k, and in 2009 it was reduced to 1.3w/m2 k. In 32 years, the heat transfer coefficient of German doors and windows has been reduced by 63%, that is to say, the energy consumption has been reduced by 63%. In 2010, Uw in Germany was reduced to 1.0W/m2 · k, and it will be reduced to 0.8W/m2 · k by 2013. The heat transfer coefficient of doors and windows is required to be basically close to the wall. By 2012, except for Spain Uw ≤ 3.1w/m2 k and France Uw ≤ 2.6w/m2 k, Uw in other countries is below 2.0w/m2 k, especially in northern Europe, all below 1.5w/m2 k. 2. China's current status of building energy efficiency standards is an important means to promote China's building energy efficiency. Energy-saving standards have been developed since the 1980 s. In 2005, an energy-saving design standard system covering 50% energy-saving for public buildings and residential buildings was basically established for different climate zones across the country. So far, it has gone through three stages: 30% energy-saving, 50% energy-saving and 65% energy-saving. However, China's energy-saving doors and windows industry is still in its infancy. At present, the heat transfer coefficient of domestic windows is generally between 2.5 and 4.0, which is similar to the level of Germany in 1995. Since 2013, Beijing has taken the lead in implementing the new standard of window heat transfer coefficient less than 1.5 below 3 floors and less than 2.0 above 3 floors, but it is still not as good as the energy-saving requirements implemented in Germany at this stage. China is a big country in energy consumption and real estate. High-performance system doors and windows only account for 0.5 percent of the total number of doors and windows. According to the existing domestic construction housing area of about 43 billion square meters, according to the doors and windows accounting for 25% of the construction area, there are about 11 billion square meters of doors and windows. If the energy saving level reaches the current European standard, 0.42 billion tons of standard coal will be saved each year, which is equivalent to 20% of China's total coal output for the whole year. The country has issued the "Twelfth Five-Year" energy-saving plan, and Beijing has proposed to take the lead in realizing relevant local standards such as the K value of doors and windows. It can be seen that the domestic energy-saving awareness is gradually increasing. However, like other industries in the development of the green building industry chain, the energy-saving door and window industry also needs to precipitate its own energy-saving effects. Many families have such a feeling, sitting by the window in winter, always feel the cold wind blowing in from the window; and in summer, the location near the window is unbearable. In fact, this is caused by the cold and heat radiation of the doors and windows. After improving the performance of the window, the cold and heat radiation is relatively reduced, which not only increases the comfort of people's living, but also increases the effective use area of the building interior. In addition, the performance of good doors and windows, its energy-saving effect can not be underestimated. According to statistics, if a room with 8 external windows uses a broken bridge insulation window, it will save more than 5000 yuan in cooling and heating costs than ordinary windows within 20 years. If a building with 100 external windows uses a broken bridge insulation window, it will save a total of more than 60000 yuan in cooling and heating costs compared with ordinary windows within 20 years. According to a survey conducted by the Steel and Wood Doors and Windows Committee of the China Building Metal Structure Association, the current consumer demand for doors and windows has become more and more obvious. Adapting to different climatic conditions and different regions, system doors and windows with different functional focuses will have huge market space. The development of energy-saving doors and windows industry in China has a long way to go. "Every family uses doors and windows, but few people are willing to pay attention to them. They think that doors and windows are just tools for shelter from wind and rain, and they do not understand the role of doors and windows in building energy conservation." Pan Guanjun, director of the Steel and Wood Doors and Windows Committee of the China Building Metal Structures Association, pointed out that among the three major energy consumption in the whole society, building energy consumption accounts for more than 40% of the total energy consumption of the whole society, and the energy consumption of buildings through doors and windows accounts for the total energy consumption of buildings. Nearly half. "Building energy efficiency, doors and windows are the key. But for a long time, due to social cognitive problems, this important energy-saving field has long been ignored and marginalized." Pan champion said that in winter to reduce indoor heat loss, summer block outdoor heat conduction to the indoor, maintain indoor cooling effect, doors and windows play a key role. It is understood that compared with developed countries, China's energy-saving doors and windows industry is still in its infancy. At present, the proportion of high-performance energy-saving doors and windows in developed countries has reached 70% of the total number of doors and windows, while in China, high-performance system doors and windows only account for 0.5 of the total number of doors and windows. According to the existing domestic construction housing area of about 43 billion square meters, according to the doors and windows accounting for 25% of the construction area, there are about 11 billion square meters of doors and windows. If the energy saving level reaches the current European standard, 0.42 billion tons of standard coal will be saved each year, which is equivalent to 20% of China's total coal output for the whole year.

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What details need to pay attention to the installation of windows?

What details need to pay attention to the installation of windows?

Window installation is a decoration project that requires a very high level of craftsmanship and care of workers. Once the installation is not in place, problems such as rain leakage and water seepage are likely to occur in the later period. And the restoration is not so easy, so it will annoy the owners. In order to avoid this kind of trouble, we should first understand the matters needing attention in window installation. Part1: Before preparing for window installation, the woodcutter must first check the window products, see if the installation environment is suitable, and if the old windows need to be removed. All such matters must be done before the window is installed. 1. Check whether the window product is qualified. The window must be inspected and accepted when entering the market. One is the appearance inspection, check whether it is damaged or broken; The second is the size acceptance, check the four sides of the frame size, check the square and warpage of the fan, so as to achieve the quality pre-control before installation. The second is to check the fasteners, hardware, reinforced profiles and metal liners, etc., to see whether the surface of the anti-corrosion treatment. If the fixing plate is used, the thickness of the fixing plate shall be greater than or equal to 1.5mm, the minimum width shall be greater than or equal to 15mm, and the surface shall be galvanized. 2, the window hole inspection want the window to have good tightness and stability, the installation of attention to flatness is the key. And to maintain flatness, the key is to deal with the window hole. Before installing the window, it is necessary to check whether the size of the hole is correct and whether it is horizontal, flat and vertical, and deal with the hole that does not meet the requirements in advance. Many owners use new windows to replace old windows, so they need to take down the old windows first. Window removal needs to be very careful to prevent damage to the window decoration and wall around the demolition. Generally speaking, wooden windows are easier to remove, while plastic steel windows and aluminum windows are more complicated. First, you need to use a blade to cut the sealant on the inside of the window, and then take the window frame. If the window is connected with the wall by expansion bolts, the expansion bolts can be removed directly with a screwdriver. If the expansion bolts are rusty, the expansion bolts can be broken with an impact drill. However, if the window frame is connected by a connecting piece, the impact drill can be used directly. If the window frame is difficult to remove, the middle of the frame against the wall needs to be sawed off with a hacksaw. Part2: Ensure that the installation specifications are well done. The installation service for windows is generally provided by the merchants. However, due to the uneven quality of services provided by the merchants and the irregular operation of some workers, the owners need to keep an eye on some key nodes to avoid negligence affecting the quality of the windows in use. 1. Size measurement When using aluminum alloy windows, the size of the balcony closed surface shall be accurately measured before the balcony is sealed, and the window frame and glass shall be processed according to the size outside the construction site and delivered to the construction site. Before installation, the size of the window should be checked to see if it is consistent with the size of the opening of the balcony. 2. Fixed bracket method 1: Before fixing the window with a fixed piece, the base layer of the balcony hole should be cleaned first. It is required to remove the base layer material of the window close to the wall, and punch holes at the fixed points. Expansion bolts or plastic expansion pins are preset to fix the window. When installing the window, the window should first sit firmly at the hole, fix its position, and fix it with screws and plastic expansion pins. Method 2: use expansion bolts to fix the general situation, the bolt needs 10cm long. If some holes are missed, they should be leveled by plastering cement, etc. The bolts need to be 12cm long so that they can be directly fixed to the cement layer of the original wall to stabilize the window frame. You can knock with your hand. If you find that the wall around the window frame is hollow, you need to hit it deeper. 3. After checking whether the window frame is connected with the window opening, check whether the window is installed correctly. If the windows are not installed correctly, the windows may become more and more crooked after a period of use. If it is a conventional rectangular window, you can directly measure the diagonal of the window (lower left corner and upper right corner, upper left corner and lower right corner), and the length of the two lines should be the same; If it is a circular window, you need to use a level ruler, and the bubble on the ruler indicates that the window is positive in the middle. If it is a tilted window, you need to use a hammer. 4. After the foaming glue window is adjusted, foaming glue is needed to fill the gap between the window frame and the wall. After the foam is cured (usually 2-3 hours, longer in winter), cut off the excess foam. 5. After installing the window sash and other accessories to fix the window frame, install the window sash and other accessories next. Pay attention to the installation carefully. 6. After the sealant is finished, the sealant is evenly applied around the window frame to prevent rainwater from penetrating into the room through the installation gap between the window and the wall. Part3: Avoid Mistakes in Installation Precautions for Window Installation If there are many details in the window installation process that are not done well, it is likely to cause later rework and repair. Therefore, in the window installation process to ensure that the key details of the correct. 1. The profile and wall thickness of the window shall meet the design requirements, and the accessories used shall be made of stainless steel or galvanized material. 2. The window shall be installed horizontally and vertically, leaving a certain gap with the wall of the hole. Cement mortar shall not be used to fill the gap. Elastic materials shall be used to fill it tightly, and the surface shall be sealed with sealant. 3, the window frame installation must be firm, the number of embedded parts, location, embedding method and frame connection method must meet the design requirements, in the masonry installation of doors and windows is strictly prohibited with nail fixed, the window opening direction, installation position, connection method should meet the design requirements. 4. The window sash must be installed firmly, and the push-pull fan must have reliable anti-falling measures. The window sash shall be opened flexibly and closed tightly without tilting or walking.

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Your aluminum alloy doors and windows, installed is not installed?

Your aluminum alloy doors and windows, installed is not installed?

Aluminum alloy doors and windows is a set of overall system, the need for interlocking construction convergence and multi-party close cooperation, design rigorous, reasonable in order to make its sealing good. In the long-term use of aluminum alloy doors and windows, there is no lack of door and window leakage phenomenon, so what is the cause of the leakage phenomenon in the installation of aluminum alloy doors and windows? Today, Kemet Aluminum summarizes the following five reasons for you: 1. The selection of profiles and node structure are not suitable. The design of aluminum alloy doors and windows is not strictly checked in accordance with the design specifications of aluminum alloy doors and windows. Plane splicing is adopted for the node, and the gap at the flat seam is too large. The plane rigidity of the rear window is extremely poor. Under the action of hand push and wind pressure, there is an obvious sense of shaking, causing deformation between the frame and the wall and the joint of the profile, poor tightness, and rainwater entering through the gap, causing leakage. This situation is more common in the installation of the combination bar. The material selection of the lower frame is too small, the cross-sectional size does not meet the standard regulations, and it is not raised according to the regulations. Some even bury the window frame into the window sill plastering layer, causing rainwater to penetrate into the room easily. 2. Improper connection between the outer frame of doors and windows and the wall The connection between the outer frame of aluminum alloy doors and windows and the wall is the key to its firmness and reliability. If the connection is improperly fixed, it will cause looseness, deformation and cracks. 3. Improper injection of sealant The gap between the aluminum alloy door and window frame and the hole shall be sealed with sealant. At present, many construction units do not leave notches when injecting sealant. The sealant is applied at the negative corners, and the window sill is applied on the same profile plane of the plastering layer. The width and thickness of the sealant are difficult to control. When injecting glue, the surface is not cleaned, the bonding is not firm, the glue injection is not continuous, and the formed tape is easy to fall off and cannot play a sealing role. 4. The construction specification for sealing the profile without glue requires that when aluminum alloy profiles are combined horizontally and vertically, sleeve insertion shall be adopted, the lap length shall be 10mm, and sealant shall be used for sealing. In the actual construction, when the profile is combined, the leakage of sealant is more common. For example, in the window sash, window frame cutting angle splice, open screw connection, rubber strip disconnection, are not take a reliable and effective seal, the formation of water seepage channel. 5, the window frame lower sill drainage hole set unreasonable aluminum alloy window lower sill drainage hole should be able to ensure the smooth drainage of water in the tank. In some construction units, no matter how big the window is, only one hole is opened. The hole diameter is too small to be blocked, resulting in accumulated water in the tank, especially when the accumulated water in the sliding window tank cannot be discharged smoothly, under the action of wind pressure, the inner tank will turn over and even blow rainwater into the room. From Daoist Baba

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Introduction of several common corrosion types on industrial aluminum profiles

Introduction of several common corrosion types on industrial aluminum profiles

Generally speaking, the basic types of industrial aluminum profile aluminum are somewhat corrosion, galvanic corrosion, crevice corrosion, intergranular corrosion, filiform corrosion, etc. The following is a brief introduction to these types of corrosion. One. Pitting corrosion, also known as pitting corrosion, is a kind of extremely local corrosion form that produces needle tip, dot and hole on metal. Aluminum in the atmosphere, fresh water, or neutral water solution will occur pitting corrosion, serious can also lead to perforation, but the corrosion hole may eventually stop developing, the amount of corrosion to maintain a limit value. Pitting corrosion, a unique form of anodic reaction, is an autocatalytic process. II. Galvanic corrosion is also a characteristic corrosion form of aluminum, the natural potential of aluminum is very negative, when aluminum is in contact with other metals, aluminum is always in the anode to accelerate its corrosion. Galvanic corrosion, also known as bimetallic corrosion, is determined by the relative position of the two metal potential series. Three. Crevice corrosion Crevice corrosion is due to the differential gas battery effect, resulting in accelerated corrosion in the crevice, while the crevice has no effect. Crevice corrosion has little to do with the type of alloy, and even very corrosion-resistant alloys can produce crevice corrosion. In recent years, the mechanism of crevice corrosion has been further studied, and the acidic environment at the top of the crevice is the driving force of corrosion. Four. Intercrystalline corrosion intercrystalline corrosion refers to pure aluminum is not flourishing intercrystalline corrosion, the cause of intercrystalline corrosion is related to improper heat treatment, alloying elements or intermetallic compounds along the grain boundary precipitation precipitation, relative to the grain is the anode to form a corrosion battery, causing intercrystalline corrosion acceleration. Five. Filiform corrosion Filiform corrosion is a kind of under-film corrosion, which develops under the film in a worm shape. This film can make the paint film or other layers, which generally does not occur under the anodic oxide film.

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Future trends in the doors and windows industry? A sneak peek!

Future trends in the doors and windows industry? A sneak peek!

Although the industry on the standardization of doors and windows has always been the voice, but it is undeniable that China's doors and windows industry is still in the customization stage, more than 70% to 80% of the doors and windows are factory custom production. However, some people in the industry believe that customized production methods are obviously unable to meet the further development of the door and window industry. Customization dominates. It is understood that the basic process of customizing doors and windows is: customers first select the style, texture and color of the door, then talk about the price with the merchants. After talking about the price, the staff at the door and window sales point will go to the site to measure the size on the spot. After measuring the size, the door and window style and size will be reported to the door and window manufacturer before entering the production process of doors and windows. "It is precisely because China's door and window enterprises are mostly customized business to accept orders, so the scale of production is often limited to a certain area, it is difficult to form a large-scale door and window enterprises." According to an observer of the door industry. According to the research report on the development of China's door industry, as of the end of 2011, there were more than 11000 door manufacturing enterprises in China. Among them, most of them are small enterprises, which are often workshop-style production, poor equipment, backward management, and lack of independent innovation and independent intellectual property rights. In view of this, there is also a view that the domestic door and window industry can not copy the experience of European and American door and window enterprises, because the inventory pressure caused by large-scale production will inevitably increase the capital chain risk of small and medium-sized enterprises. Standardization is the trend "customized doors and windows are like tailor-made clothes, with long cycle and small output, which seriously hinders industrial upgrading. Standardization of doors and windows products has become an urgent problem to be solved in the industry." The relevant person in charge of the China Forest Products Industry Association said. Customization is implemented on specific production lines. According to industry calculations, if the standardization of doors and windows cannot be achieved, a production line with an annual production capacity of 10000 sets of doors and windows can only produce about 4000 sets of doors and windows. With the advancement of housing industrialization, consumers' requirements for door and window product technology and quality standards continue to increase, coupled with the continuous expansion of domestic door and window production enterprises, the production and consumption of standardized doors and windows has gradually become a trend. Tong Yuezhong, vice president of China Real Estate Research Association, said that the current customization mode of China's door and window market is limited by standards and production capacity, and has not been able to achieve industrialization and scale. In order to adapt to the development of the market, China's door and window industry urgently needs to achieve standardization and scale. The introduction of the national standard of "doors and windows" will undoubtedly further promote the door and window industry to a more standardized production road. It is understood that the promulgation and implementation of the "doors and windows" national standards, mainly for industrial production. "From the content point of view, this new national standard is mainly aimed at door and window enterprises, and large-scale and standardized production will also be the future development direction of the door and window industry." Industry analysts pointed out.

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Energy saving and environmental protection, building energy saving, huge market potential

Energy saving and environmental protection, building energy saving, huge market potential

According to relevant technical departments, in first-tier cities across the country, such as Beijing and Shenzhen, building energy consumption accounts for about 1/3 of the city's total energy consumption, which is a very huge energy consumption, enough to attract the attention of relevant people. Energy saving in construction projects is a more direct and cheaper fundamental measure to alleviate the contradiction of energy shortage in China, improve people's living and working conditions, reduce pollution and promote sustainable economic development. Most people pay attention to building the project at a very low cost, and do not consider enough in building energy conservation. Taking residential buildings as an example, the measured values of energy consumption in various aspects of a residential building in an energy-saving community can be seen that for residential buildings with external walls using building thermal insulation materials, the cooling and heating period of residents using air conditioning is 1.5 months less than that of residential buildings without external wall thermal insulation materials, and the daily operation time is short and energy consumption is low, energy saving is more than 25%. With solar heat collection as the main, electric heating as the supplement, hot water supply is available for 365 days a year, which can ensure the normal use of a family of 3. The average annual electricity saving of households is about 800kWh, which can save more than 400 yuan. Solar lighting ensures the normal use of garden lights and lawn lights in the community, which is not only environmentally friendly and energy-saving, but also beautifies the community environment. A total of 23 solar garden lamps, 25 lawn lamps and 16 decorative lamps are installed in the residential area, with a total power of 1500W, which can save about 6000 yuan in electricity and maintenance costs for the residential area every year. Floor radiant heating has comfortable and energy-saving floor heating in winter, and can also be used for ground source heat pump air conditioning in summer to control temperature. It has the characteristics of convenience, comfort, green and environmental protection. It is estimated that it can save 20% to 30% energy compared with traditional radiator heating and centralized air conditioning. The domestic sewage treatment station is fully automatic, no noise, no odor, and has formed a scenic ecological artificial wetland in the community. Every day 22 tons of sewage treatment, for the community green sprinkler irrigation, landscape, flushing road, saving 8 thousand tons of water per year. Ordinary residential buildings have high energy consumption, hot summer and cold winter, and poor comfort. The residential area due to the use of a special wall, both thermal insulation and insulation. The indoor temperature in summer is 2 ℃ to 3 ℃ lower than that of ordinary buildings, and the indoor temperature in winter is more than 4 ℃ higher than that of ordinary buildings, which shows obvious comprehensive benefits. The cost of housing is about 5% higher than that of general construction, but due to energy efficiency and optimized combination, annual operating expenses can be saved by more than 50%. It can be seen that the energy savings in the building is still considerable. In the design of building energy efficiency, the design of building envelope components (including roofs, walls, foundations, insulation materials, sealing materials, doors and windows, and shading facilities) has a fundamental impact on building energy consumption. The cost of the general enclosure structure is only 4% to 6% of the total investment, and the cost can be increased to 20% to 40% after the use of energy-saving materials. The state expressly stipulates that since January 1, 2002, the use of solid clay bricks will be stopped. Modern buildings are developing in the direction of high-rise, large-bay, and large-span, requiring the use of lighter, more convenient, more flexible, and higher physical properties. The new enclosure building materials meet the requirements of energy conservation and environmental protection. At present, the wall in the heating area has further developed the high-efficiency thermal insulation and energy-saving wall, and the composite wall is used for thermal insulation, which not only deliberately eliminates the influence of thermal bridge, but also makes the wall relatively "thin". The design and material use of building doors, windows and roofs are the key to reducing energy consumption. Doors and windows are the weak link of heat transfer and cold air infiltration, and their thermal insulation performance puts forward higher requirements. In order to improve the thermal insulation performance of the roof, the main application of light and efficient low water absorption or non-absorbent, long-term use, stable performance of the thermal insulation material as a thermal insulation layer and improve the roof structure. In addition, energy-efficient heating and air-conditioning systems and measures to reduce indoor cooling and heating load can truly reduce heating and air-conditioning energy consumption. In the new residential indoor heating system should use the new double pipe system, low temperature floor laying and other heating methods, not only good thermal stability, feel comfortable, save energy, long service life, and the implementation of household heating metering charges, to prevent waste. The use of new energy is also a new way to save energy. We are vigorously promoting the innovation of building science and technology, striving to achieve new technological breakthroughs in the fields of wall insulation, door and window insulation, green lighting, etc., and at the same time, further encourage and support the large-scale utilization of renewable energy in the construction field. In terms of energy conservation and environmental protection, the use of new energy plays an increasingly important role in building management, such as solar energy, geothermal energy, wind energy, biomass energy and so on. In terms of building management, we should continue to use natural energy, residual energy and waste energy from the perspective of energy saving, and do a good job in the recovery and utilization of waste heat and waste water recovery and reuse. The continuous progress of science and technology promotes the energy saving of building engineering, and the energy saving of building engineering will no longer become a separate consideration and burden attached to the traditional building, but become the established architectural design concept and standard. However, there are still some problems such as low implementation rate, imperfect laws and regulations, lagging management methods, imperfect energy-saving market, weak public awareness and so on. It is necessary to improve relevant laws and regulations, improve management methods, improve energy-saving market and improve public awareness through publicity in the future.

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How to study the market? Not just read two industry reports.

How to study the market? Not just read two industry reports.

The importance of the market, it is difficult to be stressed. If entrepreneurs are fish, the market is the pool. Fish can't change the size of the pool, nor can they directly affect the number of fish in it. However, these two objective environmental factors greatly affect how big a business can be and whether it can generate healthy profits. The market is too small, and no excellent team can make a great enterprise. There are too many competitors, and it is difficult for anyone to open up enough advantages. Therefore, compared with ability and product, choosing the right market is a more important lesson for business personnel to carry out business. But it is a pity that many business personnel, mostly did not spend too much time to study the market he aimed. To make matters worse, many people just read two consulting company reports, even topology and MIC research reports, and believe that he has understood his market. This way of working is very dangerous. First, based on budget and time constraints, these research institutions usually do only a small sample of the market and then use the information obtained to predict the overall situation. Such a report can only tell you a vague idea, but it really cannot be used as a basis for strategy formation. More importantly, all the information you spend 30 minutes on Baidu to find is basically public information. No matter how much value is added to public information, it is basically difficult to produce any unfair competitive advantage. So you have to do your own market research and get key own information in order to make good market decisions based on that information and enhance the chances of building a long-lasting, healthy profitable business. A lot of communication with real market participants is the most basic. You must chat with consumers, channels, platforms, partners, supply chain manufacturers, and get real intelligence from their mouths. The point of this work is that it must be done in large quantities, because every market observer will have his deviation, so you must absorb it extensively in order to gradually get the appearance of the whole elephant. Become a top-notch questioner and soon you'll find that the point is not to talk to them, but to ask good questions. Unfortunately, the ability to ask questions is not in our education from an early age, so it needs to be exercised. Don't be defeated by the initial setback and shrink back to your comfort zone. Please continue to communicate with people and consciously hone your ability to ask questions in the process. Moving targets and the market is not a static system after all, so the information you get today is likely to expire tomorrow. So the focus is on developing effective access to information, including understanding who are the key owners of the latest market information. To a certain extent, you will find that you have more extensive market information than many people. At this time, don't just harvest, but also provide timely information that is closely related to friends. Assumptions and validation In the end, the market is a large, complex, and ever-changing system. As a result, you will never be able to master 100 percent of it. But at a certain point, you can make fairly accurate assumptions about it and use actual products to test those assumptions. You will be surprised that more than 90% of business personnel can't do such a cliché. Therefore, if you can overcome the instinct of wanting to make products at home, and really go to the crowd to dig out the real information about the market, in fact, you may have defeated most of your competitors.

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Ministry of Housing and Construction Simplified Administration and Deregistered Power Zero Threshold for Real Estate Development Registration Fund

Ministry of Housing and Construction Simplified Administration and Deregistered Power Zero Threshold for Real Estate Development Registration Fund

The registered capital of real estate development enterprises can be "zero". Under the background of deepening the reform of the country, the administrative examination and approval of the Ministry of housing and urban rural development is also being reduced. On May 14, the Ministry of Housing and Urban-Rural Development issued a decision on revising the "Regulations on the Qualification Management of Real Estate Development Enterprises" and other departmental regulations on the official website. The first article shows that "1. The registered capital shall not be less than 50 million yuan" in the first paragraph of Article 5 of the "Regulations on the Administration of Qualifications of Real Estate Development Enterprises" (Order No. 77 of the Ministry of Construction) is deleted ". Delete "1. The registered capital shall not be less than 20 million yuan" in the second item ". Delete "1. The registered capital shall not be less than 8 million yuan" in item 3 ". Delete "1. The registered capital shall not be less than 1 million yuan" in item 4 ". Breaking the threshold of venture capital With the superimposed effect of the Chinese government's series of measures to streamline administration and delegate power and encourage innovation, the future entrepreneurial environment will be further improved, and mass entrepreneurship and innovation are the general trend. Premier Li Keqiang emphasized that "it is necessary to remove all institutional barriers that restrict development, so that everyone who is willing to start a business has room to start their own business". The Ministry of Housing and Urban-Rural Development revised the "Regulations on the Qualification Management of Real Estate Development Enterprises" and other departmental regulations also conform to the current policy trend. "The state advocates 'mass entrepreneurship, mass innovation', to greatly reduce the threshold of entrepreneurship, individual entrepreneurship can be zero registered capital. For the real estate sector, to reduce the industry access threshold, from the national background, the real estate industry is the basic field, living to have a house, entrepreneurship needs an office. Therefore, more people should be allowed to enter this field, so that the market can fully compete and play the role of the survival of the fittest." Li Yujia, a senior researcher at Shenzhen Real Estate Research Center, said in an interview with reporters. The Ministry of Housing and Urban-Rural Development's amendments to the "Regulations on the Qualification Management of Real Estate Development Enterprises" (Order No. 77 of the Ministry of Construction) also include the deletion of Article 6, Item 3. That is, the newly established real estate development enterprise shall, within 30 days from the date of obtaining the business license, submit the following documents to the competent department of real estate development for the record: (3) capital verification certificate; in addition, delete the "and capital verification report" in item 3 of Article 10 ". "For an industry, it is not completely liberalized." Li Yujia said. The Ministry of Housing and Urban-Rural Development revised the "Regulations on the Qualification Management of Real Estate Development Enterprises" (Ministry of Construction Order No. 77), only to cancel the threshold of registered capital. For the corresponding level of development qualifications, there are still development years, project quality qualification rate of 100, development area, etc. Requirements.

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