新一代四米级可复用火箭，长征十二号乙运载火箭静态点火试验圆满成功

Core Viewpoint - China Aerospace Science and Technology Corporation's commercial rocket division successfully conducted a static fire test for the Long March 12B rocket, marking a significant milestone in China's commercial space launch capabilities [1]. Group 1: Test and Capabilities - The static fire test for the Long March 12B rocket was successfully completed at the China Commercial Rocket's testing launch site [1]. - The testing site is equipped to support various propellants, including liquid oxygen, kerosene, and methane, and is independently constructed and managed by the company [2]. - The development team will continue to advance their work to ensure the success of upcoming flight test missions [3]. Group 2: Rocket Specifications - The Long March 12B rocket is a new generation, reusable rocket designed to meet China's commercial launch needs for low Earth orbit satellite constellations, featuring a two-stage configuration and a full liquid oxygen-kerosene propulsion system [4]. - It has a payload capacity of 20 tons to low Earth orbit [4].