Core Insights - Hunan Zerui New Materials Co., Ltd. launched two revolutionary composite materials, Zeralon 3A fiber and Zelramic 300 fiber, at the 2025 China International Advanced Composite Materials Exhibition, marking a significant breakthrough in the silicon carbide fiber field with temperature resistance exceeding 1800℃ [1][9] - The new fibers are expected to have extensive applications in aerospace, nuclear power, and semiconductor industries, particularly in new aviation engines, gas turbine hot-end components, hypersonic vehicle thermal protection systems, and nuclear reactor components [1][9] Company Overview - Hunan Zerui New Materials Co., Ltd. is the only national high-tech enterprise in China focusing on the research and industrialization of silicon carbide fibers through doping routes, aiming to establish a silicon carbide fiber industry center in China [2][8] - The company is recognized as a "little giant" enterprise in Hunan Province, possessing independent intellectual property rights and comprehensive production capabilities for silicon carbide fibers, offering the widest variety and largest capacity of doped silicon carbide fibers in the country [2][8] Technological Advancements - The company has developed a continuous production line for doped silicon carbide fibers with a capacity of 20 tons per year, a 40-fold increase compared to the previous intermittent capacity of 500 kg per year, establishing itself as a leader in the field [9] - The newly launched fibers, Zeralon 3A and Zelramic 300, are high-crystallinity third-generation silicon carbide fibers that maintain over 80% strength retention at high temperatures, suitable for various composite material preparation processes [9][15] Production Capabilities - Hunan Zerui has built a ton-level production line for third-generation silicon carbide fibers, addressing the production efficiency issues associated with traditional methods, thus reducing costs and enhancing scalability [15] - The company has nearly 40 patents and a strong talent pool, including 23 PhD holders and 18 senior professionals, supporting its research and development efforts [8][9]