How many Olympic champions in China have joined other nationalities?

It seems that there are still many, usually Olympic champions in the 1980s. 1 In addition to Luan Jujie (Canada) and (Canada), there are 84-year shooting champion Wu (USA) and 88-year Seoul Olympic table tennis men's doubles champion Wei (renamed Wei Guan Qingguang after joining Japanese). Except Liang Yan, the rest of the old women's volleyball team (Olympic champions in 1984) either went into politics or emigrated overseas, such as Lang Ping (USA) and Yang Xilan.