China's major equity indices opened lower on August 21, with the Shanghai Composite down 0.32% at 3891.18, Shenzhen Component down 0.27% at 13935.64, CSI 300 down 0.16% at 4585.44, ChiNext down 0.01% at 3495.11, and STAR 50 down 0.22% at 1649.28.

Jin1008:27 21-08