China Spacesat(SH:600118) Xin Hua She·2025-07-30 11:16Core Insights - The successful launch of the Long March 8A rocket marks a significant advancement in China's commercial space capabilities, specifically targeting low Earth orbit satellite internet deployment [2][5] Innovation Breakthroughs - The Long March 8A rocket is an upgraded version of its predecessor, featuring a 3.35-meter diameter upper stage and a 5.2-meter diameter fairing, with a total height exceeding 50 meters and a launch mass of approximately 371 tons [2] - The rocket's payload capacity has increased by about 55% through modular design and new materials, enabling it to support payloads of 3 tons, 5 tons, and 7 tons for sun-synchronous orbits [2] - The development process took 28 months from design to first flight, showcasing a rapid advancement in medium-lift rocket development in China [3] Smart Upgrades - The Long March 8A team has restructured ground operation logic to enhance safety and efficiency, addressing risks associated with manual operations in traditional launch modes [5][6] - Automation has replaced manual processes in critical operations, significantly reducing the time and risk associated with high-risk tasks [5][6] Tailored Solutions - The team has implemented "active drift" technology to mitigate collision risks between the rocket and launch tower during liftoff, enhancing safety in the launch process [7] - Innovations such as "supercooled liquid oxygen" and the use of lithium-ion batteries have improved efficiency and reduced costs, with the former increasing engine thrust by approximately 10% [8] - These technological advancements position the Long March 8A to meet the core demands of commercial space launches, emphasizing speed, cost-effectiveness, and reliability [8]