China responded to Ukrainian President Volodymyr Zelenskiy’s claim that at least 155 Chinese nationals are fighting alongside Russian troops, with a Foreign Ministry spokesman advising against “irresponsible remarks” and reiterating China’s desire for a peaceful resolution.
I doubt Chinese mercenaries can work anywhere without CCP approval.
China is huge, it’d be hard to control everybody. But who knows, China is also really into controlling people. Either way, some evidence would be great.