Those are actually training guns using paintball-like rounds, and the user is a former PAP officer who owns a training company showcased in this documentary (which also showcases those training guns and their munitions at 7:20):Please don't post airsoft images here. This is a small arms thread, as in for real firearms used by the Chinese armed forces. Thank you.
Then this is the smooth operation type you wanted, the OpFor put up a lot of fight too, but not shown in this TV program
Here is a separated video only available on domestic platform
Also an airsoft bb is 6mm in diameter and much smaller than the paintball like round. Plus QBZ 95 and QSZ 92 airsoft replicas don’t exist; only the QBZ 97 has an airsoft replica.