Core Viewpoint - The article highlights the breakthrough of Hunan Zhuzhou Times New Material Technology Co., Ltd. in developing high-performance polyimide (PI) films, which are crucial for various high-tech industries, enabling China to shift from being a buyer to a seller in this strategic material market [1][3][11]. Group 1: Development of High-Performance PI Films - The company is developing next-generation PI films that meet the demands of high-speed train permanent magnet traction motors, requiring higher temperature resistance and longer corona lifespan [1]. - The high-performance PI films are essential for sectors such as electronic information, rail transportation, aerospace, and defense [1][3]. - Prior to 2010, China relied on imports for PI films, which limited domestic train production capabilities [3]. Group 2: Technological Breakthroughs - After years of research, the company successfully developed a chemical imide method for producing high-performance PI films, achieving full independent intellectual property rights [4]. - The first production line for chemical imide high-performance PI films was established in 2017, marking a significant milestone in China's high-tech material manufacturing [4][11]. - The company has also developed a new technology for producing ultra-thick PI films, overcoming previous limitations in thickness that hindered performance [6][8]. Group 3: Market Impact and Collaborations - The high-performance PI films produced by the company have gained recognition and are now used in products by major manufacturers such as Samsung, Apple, Huawei, Xiaomi, and OPPO [6][8]. - The company has become a standard setter in the industry by pushing the boundaries of film thickness, which enhances thermal conductivity and performance [6][8]. Group 4: Production Capacity and Innovation - The company is assembling a new production line that will be fully domestically manufactured, aiming to enhance supply chain security for high-end strategic materials [9][10]. - The new production line is expected to reduce manufacturing costs by 60% and significantly improve production efficiency [10]. - The company has achieved the highest single-line annual production capacity globally for high-performance PI films, reaching 800 tons [9][10].