It’s no secret. China is investing heavily in space:

Over the last decade, China has grown its military presence in space to include sophisticated space planes, recon birds, secure comms, SSA, and ASAT capabilities. In fact, according to data compiled by astronomer Jonathan McDowell, China has averaged more defense payloads (not including dual-use tech) deployed over the last four years than the US.

Payload has a rundown of their defense-related space activity.