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At the Nuremberg Doors and Windows Exhibition in Germany, UPVC doors and windows remain the main focus of the exhibition, indicating that UPVC doors and windows, which combine multiple advantages, are becoming a new trend in the global doors and windows industry.

According to incomplete statistics, there were over 2000 Chinese representatives and visitors attending the exhibition in Nuremberg, most of whom were leaders and technical experts of Chinese door and window enterprises. It was an overseas exchange and learning opportunity for the Chinese door and window industry. Based on the national dual carbon energy-saving policy regulations and the market demand for differentiated products, the popularity of UPVC doors and windows in Europe has led leading domestic enterprises to turn their attention to UPVC, laying the groundwork for the future development of "new" plastic windows in the Chinese market…

UPVC doors and windows are highly favored globally, especially in the European and American markets, due to their excellent performance. However, the development of UPVC doors and windows in the Chinese market is still in the stage of rebirth (restart), with enormous potential. The combination of high performance, high aesthetics, environmental protection, and recyclability has made UPVC doors and windows a sunrise industry for sustainable development. How Chinese door and window industry enterprises can seize this opportunity and compete with the international market to promote and apply "good" doors and windows and "good" plastic windows in the Chinese market is still a long and arduous process.

The iterative development process of architectural door and window technology

As an integral part of architecture, doors and windows have undergone several technological iterations, including:

（1） Ordinary doors and windows: doors and windows produced using industrial technology.

（2） System doors and windows: Based on the performance and functional requirements of the building in the usage area. A series of door and window products based on standardized product design, material selection, performance optimization, processing technology, installation technology, usage and maintenance.

（3） Customized doors and windows: Based on the climate environment, building type, opening size, and personalized user needs of the location of the building, the system door and window manufacturer manufactures and installs building doors and windows that comply with relevant national standards and meet customer needs.

（4） High performance doors and windows: Customized doors and windows that are designed with performance in mind, developed with a system technology mindset, and produced using intelligent manufacturing technology that exceeds engineering technical requirements.

In the future, new door and window technologies will emerge based on performance requirements, such as healthy doors and windows.

The advantages of plastic doors and windows

The advantages of plastic doors and windows are a perennial topic. In addition to the resources, environmental protection, and energy consumption in the substrate industry chain, let's briefly summarize them repeatedly:

（1） Excellent comprehensive performance such as insulation and sound insulation. Adopting advanced materials and designs, reducing indoor and outdoor temperature differences and noise, and lowering energy consumption.

（2） Good airtightness. The sealing performance of doors and windows is good, which can effectively prevent air infiltration and maintain indoor air quality.

（3） Complete supporting technologies such as glass, hardware, and sealing components. The overall technology is integrated into the entire window function to ensure rigidity, lifespan, tactile sensation, aesthetics, and more.

（4） Mature processing technology and equipment system. For the production of doors and windows, there must be a complete set of technical manuals to guide the processing technology, and good equipment must be used to ensure the overall quality of the processed doors and windows.

（5） Mature hole installation technology. There must be good installation technical guidance to ensure that doors and windows are equipped with proper installation standards and provide users with a fast and friendly experience.

（6） Rich experience in engineering applications. The accumulation of experience is very important. When doors and windows encounter problems during use, it can save time and cost to solve them, and guide users in necessary maintenance knowledge during use.

New plastic window, new mission

The guidance of the national dual carbon energy-saving policy has increasingly high requirements for green energy-saving standards, and the new plastic window takes on a new mission:

（1） Leading the green and low-carbon industry. Developing eco-friendly environments globally and using green building materials for construction is a very wise choice. Green building materials refer to materials that can be recycled and reused at any time during manufacturing, use, or disposal without causing harm to the environment. The goal of green building materials is to produce a durable and eco-friendly building that provides residents with a comfortable and healthy indoor and outdoor environment. The substrate of plastic doors and windows - plastic profiles themselves are green building materials.

（2） Assist in nearly zero energy buildings. Zero energy buildings have been identified as a development priority by countries around the world. For example, the European Union has set a basic goal for member states to achieve zero energy consumption in new construction by 2020; The United States proposes to achieve zero energy consumption in new buildings by 2030; China has also begun to focus on developing zero energy buildings and vigorously promoting building energy-saving technologies. "Experiments have shown that in a building, the enclosure structure accounts for about 70% of the building's energy consumption, and the heat lost through the exterior walls and windows accounts for about 70% of the enclosure structure. As the transparent part of the building's exterior enclosure structure, doors and windows have always been the funnel and black hole of building energy consumption, accounting for about 50% of the total building energy consumption

The regulations for the use of doors and windows in "zero energy buildings" not only require comfort, privacy, aesthetics, safety, and shading performance, but also have requirements for low energy consumption and energy conservation. The improvement of door and window performance and the application of shading systems have become standard features of zero energy buildings.

（3） Meet the requirements for good living. Home is everyone's safe haven and a comfortable place for us to live. Choosing the right doors and windows is a crucial step in making your home more beautiful and comfortable.

In home decoration, doors and windows serve as the external interfaces of a house and have multiple functions. Firstly, doors and windows are barriers that isolate from the outdoor environment, effectively blocking the intrusion of noise, dust, and harmful gases, ensuring fresh and quiet indoor air. Secondly, doors and windows serve as a bridge for communication between indoors and outdoors, providing us with natural light and air circulation, injecting vitality into our living environment. Therefore, choosing suitable doors and windows can not only improve the living environment, but also enhance the comfort of living.

In the context of the increasingly urgent need for energy-saving technology in buildings, vigorously developing energy-saving doors and windows is the top priority. The new requirements will adjust the industrial layout, which is a rare opportunity for plastic doors and windows. If we can seize this opportunity, develop better products, create the best industrial environment, and create a new ecological circle for the plastic doors and windows industry, it will promote technological updates in the industry, improve the living environment, and benefit future