The Chinese recognize race within its borders[1], additionally it may be of interest to the scorer to know who is Hui, Tibetan, or Uyghur.[2]. I don't support this I'm just noting that China is not racially homogenous.
[1] https://en.m.wikipedia.org/wiki/Five_Races_Under_One_Union [2] https://en.m.wikipedia.org/wiki/Ethnic_issues_in_China