打破美日垄断！这家民企让C919用上中国“飞机棉”

Core Insights - Chongqing's private enterprises achieved an import and export value of 144.23 billion yuan in the first five months of this year, accounting for 49.2% of the city's total foreign trade, highlighting their significant role in the local economy [1] - A private company, Zai Sheng Technology Co., Ltd., is making breakthroughs in the industrialization of new materials and applications, showcasing its innovative capabilities and market sensitivity [1] Company Highlights - Zai Sheng Technology has developed ultra-fine fibers, with diameters as small as 0.09 microns, which are used to create air filtration paper, demonstrating a structural revolution in the microscopic world [2][4] - The company is one of only three globally capable of producing "aircraft cotton," a material that meets stringent requirements for aviation applications, including flame resistance and thermal insulation [6][10] - The first batch of "aircraft cotton" was delivered in 2021 for the C919 aircraft, marking a significant milestone for the company and contributing to China's position as the third country to master the mass production of aviation-grade ultra-fine fiber cotton [6][10] Product Applications - The ultra-fine glass fibers are utilized in high-temperature insulation applications, including materials supplied to SpaceX for rocket construction [8] - Zai Sheng Technology is expanding its product development and technical service ecosystem, with applications in hospitals, cleanrooms, automotive, and high-speed rail sectors [15] - The company is also exploring innovative applications in home decoration and office environments, aiming to enhance air quality and reduce noise levels [12][15] Industry Collaboration - European companies are actively seeking collaboration with Zai Sheng Technology in the clean air sector, indicating a growing interest in the company's advanced materials [15] - The Chongqing Customs is committed to providing tailored services to support the technological development and product needs of specialized enterprises like Zai Sheng Technology, enhancing their competitiveness in international markets [17]