The exact test flight time was not disclosed. Tengyun(腾云) is planned to carry goods and/or human beings to LEO at low cost in a HTHL way, with two stages and novel type of multi-mode engine which can work under different atmosphere conditions. Source: https://t.co/CYq4LPMJYj pic.twitter.com/1wGQbKJ2sH

— CNSA Watcher (@CNSAWatcher) November 29, 2021