Thoughts on the development trend of curtain wall

2022-08-18
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Thoughts on the development trend of building curtain wall door and window industry

1 Basic information of enterprises

a. number of enterprises with first-class construction qualification of building curtain wall in China: 580. Among them, 234 companies have the primary qualification of curtain wall construction; 165 additional projects have primary curtain walls with different utilization and construction qualifications; The first-class qualification enterprise 235 of architectural curtain wall engineering design and construction (integration) is an ideal testing equipment for scientific research institutions, colleges and universities, industrial and mining enterprises, technical supervision, commodity inspection and arbitration departments Home. The number of enterprises with secondary construction qualification of building curtain wall in China: 1340

b. more than 400 organizations and individuals (curtain wall consulting companies) engaged in architectural curtain wall design, consulting, cost and supervision services

c. the total number of enterprises in China's construction door and window industry is more than 30000. There are 16361 manufacturing and installation enterprises of building doors and windows with a certain scale, and the total number of aluminum alloy doors and windows enterprises is 8247; The total number of plastic door and window enterprises is 6950; The total number of other door and window enterprises is 1164

d. production enterprises of aluminum alloy building profiles: 732 (enterprises approved by the General Administration of quality supervision, inspection and Quarantine of the people's Republic of China to obtain production licenses for industrial products)

e. glass production enterprises: about 500. Door and window hardware manufacturers: about 280. Construction sealant Enterprises: more than 240

industry enterprises are scattered and concentrated, and their scientific and technological level and innovation ability are relatively insufficient

2. Status of employees

in terms of talent training, China's construction door, window and curtain wall industry has experienced nearly 40 years of development, and has trained a large number of professionals with practical experience, which is the key and foundation for the development of the industry. The continuous improvement of the quality of these professionals engaged in scientific research, design, construction and management is a necessary condition to ensure the sustainable and healthy development of the industry. In China, there is the world's largest door, window and curtain wall industry, the world's largest industry market, the most door, window and curtain wall projects that need to be built, and the most comprehensive and best practice opportunities, which provide a guarantee for the growth of industry practitioners

at present, the total number of employees in the building door, window and curtain wall industry in China is about 6.8 million. The distribution of management personnel, technicians, industrial workers and other personnel is more reasonable. A group of world influential technical experts and excellent entrepreneurs have emerged, who have contributed many classic door and window curtain wall projects to the world and created excellent door and window products

3. The development of building door and window technology

the development of China's building door and window industry has experienced the process of introduction, digestion, absorption and re innovation, and has made brilliant achievements in talent training, technological innovation, management and engineering practice. In the next few years, China's construction door and window industry will continue to maintain a steady growth trend. In the future development process, the technology of building doors and windows will be characterized by advocating energy conservation and environmental protection, pursuing green civilization, meeting users' personalized needs, improving product quality and performance, reflecting the main style of the building and providing healthy and comfortable space. The key cutting-edge technologies such as new materials, new technologies and new equipment of building doors and windows will make greater breakthroughs, and China's building doors and windows industry will reach the international advanced level in major technical fields

1 high frequency decadent experimental machine after the equipment responds to the experimental fixture Energy saving technology

the vitality of energy-saving doors and windows and energy-saving technology is due to the fact that in recent years, countries all over the world are committed to the application of new building technologies, new materials and new products, pay more attention to environmental protection and energy conservation, and pay more attention to the comfort of buildings, so that they can better reflect the people-oriented concept and spirit. Over the years, Chinese scientists have continuously developed materials with energy-saving, environmental protection, fire protection and other technical characteristics, such as Low-E glass, aluminum alloy profiles with thermal insulation performance, fire-proof glass, vacuum glass, etc. the application of these products has greatly promoted the development of China's construction door and window industry. In particular, major breakthroughs have been made in information technology, intelligence, energy conservation, environmental protection, noise reduction, fire prevention, anti-theft and explosion-proof door and window systems, which have laid a good foundation for achieving the overall goal of building energy conservation in China

2. Scientific and technological innovation

in terms of scientific and technological innovation, the development of China's construction door and window industry has always adhered to the idea that enterprises are the main body of scientific and technological innovation. Through the scientific and technological innovation mode of combining production, learning and research, we adhere to the practice and practice, constantly explore and innovate, form a technological innovation mechanism for industrial structure optimization and sustainable development, and have achieved a series of major scientific and technological achievements

3. Major breakthroughs have been made in the R & D capacity of door and window systems

throughout the development process of China's construction door and window industry, there has been a big gap between the R & D capacity of China's door and window systems and the advanced level of foreign countries for a long time in the past. However, in the past 10 years, the R & D capacity of China's door and window systems has been rapidly improved, and professional institutions specializing in the R & D of door and window systems have been produced in China, and fruitful results have been achieved. Especially since 2014, practitioners in China's building door and window industry have paid more attention to the research, development, promotion and application of door and window systems theoretically and ideologically, developed door and window systems with a more rigorous scientific attitude, and put forward systematic research ideas and technical routes for door and window systems. After a large number of investigations and scientific experiments, they have launched the technical guidelines for building system doors and windows (hereinafter referred to as the guidelines). The launch of the guidelines marks a major breakthrough in the R & D capacity of China's building door and window system, which is of milestone significance

4. Standard level

we are studying to improve the standard level of building doors and windows, and the performance of doors and windows will reach the international advanced level. (estimated: 1.0 in severe cold areas, 1.5 in cold areas, 2.0 in hot summer and cold winter areas, and 3.5 in hot summer and warm winter areas)

4. The ownership of doors, windows and curtain walls of existing buildings

the ownership of doors, windows and curtain walls of existing buildings in China is about 13billion-15billion square meters. According to incomplete estimates, the number of building curtain walls is gradually increasing, with a total of about 100 million square meters

5. Classification and proportion of building doors and windows

building doors and windows are divided into aluminum doors and windows, plastic doors and windows, wooden doors and windows, steel doors and windows, other doors and windows and composite doors and windows according to the main materials. Because all kinds of doors and windows have their own characteristics, functions and performance, and can meet the requirements of different climatic environments, functions and performance, they have been applied to varying degrees

6. Climate and regional distribution of building doors and windows

because different types of doors and windows are suitable for different climate zones, and China's climate zones are complex, the application of building doors and windows has the characteristics of regional distribution. Aluminum alloy doors and windows account for more than 90% in large cities such as Shanghai, Guangzhou, Shenzhen, Suzhou, Wuxi, Xiamen and economically developed areas, while plastic doors and windows account for more than 60% in Heilongjiang, Jilin, Inner Mongolia, Liaoning, Gansu and other regions due to the severe cold climate division

7. Market changes of building doors and windows

1 Engineering market and home decoration market

according to the characteristics of door and window applications, it can be divided into engineering market and home decoration market (or retail market). At present, most building doors and windows in China are used in engineering projects, and the production and operation of building doors and windows enterprises have the characteristics of "taking engineering projects as the center". The production and operation activities of the enterprise (such as market development, sales, design, manufacturing, installation and service) are mostly centered on the engineering project in the crash of Asiana Airlines flight 214 on July 6 last year. This kind of market for door and window applications is called the engineering market. This kind of market usually has the characteristics of large demand, unified door and window types, consistent function and performance requirements, fixed construction site, convenient centralized procurement, large-scale production and team construction

at the same time, with the growth of people's personalized demand for the functions and performance of doors and windows and the demand for the transformation of existing doors and windows, another market for the application of doors and windows, namely the home decoration market or the retail market, is developing rapidly. The home decoration market has the characteristics of small demand, inconsistent function and performance requirements (personalized), scattered construction sites, etc. So far, the home decoration market accounts for about 8% of the total market, and there is a trend of increasing year by year

2. New buildings and existing buildings

according to the architectural nature of door and window applications, the building door and window market can also be divided into new building market and existing building reconstruction market. With the development of building doors and windows industry, the number of building doors and windows in China is gradually increasing. According to incomplete estimates, the total amount is about 13billion-15billion square meters

in recent years, due to the natural decline of physical properties of existing building doors and windows, natural degradation of performance and other reasons, the energy-saving transformation and safety maintenance of existing building doors and windows have been widely valued by the society. The transformation amount of existing building doors and windows has gradually increased. So far, the transformation amount of existing building doors and windows accounts for about 6% of the total market, and there is a trend of increasing year by year

according to the actual development of China's building door and window industry, combined with the development experience of the developed building door and window Market in Europe and the United States, it can be predicted that China's building door and window market will show the following basic trends in the future:

the market share of the home decoration market will increase year by year, and the market share of the engineering market will decrease year by year

the consumption of doors and windows in the existing building reconstruction market will increase year by year, and the consumption of doors and windows in new buildings will decrease year by year

the number of green buildings and energy-saving buildings will increase year by year, and people pay more attention to the quality of buildings. The overall quality and performance of the building will be better, and the speed of development will be more scientific and rational

the development of system doors, windows and curtain walls will usher in a golden age

door and window certification will escort the development of the industry, "the industry needs certification, and certification must go first"

8. Market changes in building curtain wall industry at present, compared with building doors and windows, the engineering attribute of China's building curtain wall industry is still more obvious. The production and operation of building curtain wall enterprises have the characteristics of "taking engineering projects as the center, large logistics, labor-intensive and multidisciplinary". The production and operation activities of enterprises (such as market development, sales, design, manufacturing, installation and service) are mostly carried out around engineering projects

characteristics of building curtain wall Market: the building curtain wall market is generally divided into new building market and existing building reconstruction market. With the development of building curtain wall industry, the number of building curtain walls in China is gradually increasing. According to incomplete estimates, the total amount is about 100 million square meters. In recent years, due to the natural decline of physical properties, natural degradation of performance and other reasons of the existing building curtain wall, the energy-saving transformation and safety maintenance of the existing building curtain wall have been widely valued by the society. The transformation quantities of the existing building curtain wall are gradually increasing. So far, the transformation quantities of the existing building curtain wall account for about 5% to 7% of the total market, and there is a trend of increasing year by year

9. The output and output value of building doors and windows in recent ten years

China's building doors and windows industry has made great achievements with the rapid development of the construction industry. Through more than 30 years of development, the industry has made great progress in talent, technology, management and engineering practice

from 1985 to 2016, a total of 47078.264 million square meters of housing construction have been built in the past 32 years. The completed area of housing construction (10000 square meters) was 401520.9 in 2013, 423357.3 in 2014, 420784.9 in 2015 and 422375.7 in 2016

II. Industry thinking

1 To challenge the development of the

industry, in addition to facing the impact of the decline in economic growth rate under the new normal of economic development, there are also some practical challenges. December, 2011

Copyright © 2011 JIN SHI