Jia Zongyang claimed gold in the men's section and was joined on the podium by compatriot Qi Guangpu.
David Morris of Australia completed the top three, although another Chinese, Zhou Hang was not far from making it a clean sweep.
In the women's competition, Xu Mengtao won gold ahead of team-mate Yang Yu with American Emily Cook breaking up the Chinese domination.
Again, a Chinese skier came in fourth - Zhang Xin.
Men's top 10
1 JIA Zongyang CHN
2 QI Guangpu CHN
3 MORRIS David AUS
4 ZHOU Hang CHN
5 GUSTIK Maxim BLR
6 ABRAMENKO Oleksandr UKR
7 OSIPAU Denis BLR
8 LAMBERT Thomas SUI
9 ROSSI Michael USA
10 SLIVETS Timofei RUS
Women's top 10
1 XU Mengtao CHN
2 YANG Yu CHN
3 COOK Emily USA
4 ZHANG Xin CHN
5 SCOTT Danielle AUS
6 DIDENKO Nadiya UKR
7 GRIDNEVA Alina RUS
8 SCHAERER Tanja SUI
9 OLSEN Madison USA
10 SLIVETS Assoli RUS
