Cosmoleap has successfully completed full-condition valve tests for its Qingyu-11 engine. This 150-ton-class liquid oxygen-methane engine's valve set passed critical cryogenic, high-pressure, and vibration tests. These successful tests pave the way for the integration of the engine. AI
RANK_REASON Research milestone for a rocket engine component. [lever_c_demoted from research: ic=1 ai=0.0]
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