List of GM in 17 and 18 years old kids in USCF

under 17 years old:
1 Yang, Darwin (12945617) 17 TX USA 2559
2 Liou, Yian (12948665) 17 CA USA 2502

under 18 years old
1 Naroditsky, Daniel A (12892910) 18 CA USA 2696

under 16 years old
1 Troff, Kayden W (12939342) 16 UT USA 2634

So only Yang, Darwin and Liou, Yian are chinese in GM level, not sure which one you are talking about.