Since Beehaw isn’t federated with the instance you linked, I’ll paste the comment you linked here for anyone who doesn’t want to mess with opening it externally:

This article is based on a report from the Independent https://www.independent.co.uk/travel/news-and-advice/china-hypersonic-flights-speed-concorde-b2051192.html nowhere does it say they have completed a test flight.

The brand Space Transportation, also known as the company Beijing Lingkong Tianxing Technology, has released an animated video which shows how its proposed “space flights” might look