再升科技：公司研发生产的高硅氧纤维已与国际知名航天公司开展商业合作，长期供应系列产品

Core Viewpoint - The company has achieved significant milestones in the aerospace sector, including obtaining AS 9100D certification and a qualification certificate from China Commercial Aircraft Corporation (COMAC) for its products [2] Group 1: Certifications and Qualifications - The company has received the AS 9100D certification, which is a quality management system standard specifically for the aerospace industry [2] - The company has also obtained the qualification certificate from China Commercial Aircraft Corporation, indicating its compliance with industry standards [2] Group 2: Product Development and Partnerships - The company's "aircraft cotton" (aerospace soundproofing and thermal insulation cotton) products began mass production and delivery in 2021, supporting the C919 and C909 aircraft models from COMAC [2] - The high-silica fiber developed by the company has entered into commercial cooperation with internationally renowned aerospace companies, ensuring a long-term supply of a series of products [2]