China completes longest hot-fire engine test for Long March 5 core stage

The Long March 5 will come in five different configurations, capable of launching from 1,500kg to 23,000kg into low Earth orbit (LEO), according to Flightglobal/Ascend's SpaceTrak database.

http://www.flightglobal.com/news/articles/china-completes-longest-hot-fire-engine-test-for-long-march-5-core-stage-374900/