Chinese private company finishes liquid rocket engine trial

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An 80-tonne thrust-level liquid rocket engine (LRE) owned by a Beijing-based company has successfully carried out its hot firing test runs on Friday with the longest run-time reaching 20 seconds. The TQ-12 has so far become the world's third LRE, after SpaceX's Raptor engine and Blue Origin's BE-4 engine, to complete the test in such a high thrust level.