CECO(SH:603698) Xin Jing Bao·2025-11-01 00:12Core Points - The successful launch of the Shenzhou 21 manned spacecraft by the Long March 2F rocket marks the completion of China's manned spaceflight missions for 2025 [1] - The Long March 2F rocket, known as the "Shen Jian," has a 100% success rate since its first flight in 1999 [1] - The Long March 2F Yao 21 rocket underwent nearly 20 technical improvements compared to its predecessor, enhancing reliability and safety [1] Technical Improvements - The control system of the Long March 2F rocket now utilizes a productized dual-axis optical inertial navigation system, improving precision for rapid docking within 3.5 hours [1] - The model team optimized the fairing separation method to further ensure astronaut safety [1] - Continuous efforts are being made to promote the autonomy of key components and materials, as well as the application of digital technologies in quality control and operational efficiency [1] Launch Statistics - This launch represents the 604th flight of the Long March series of rockets [2]