China's stock market tracked the 512.76-point drop of the Dow Jones industrial average index Thursday to open 2.38 percent lower on Friday.
The benchmark Shanghai Composite Index slumped 63.76 points, or 2.38 percent, to 2,620.28.
The Shenzhen Component Index retreated 2.92 percent, or 348.47 points, to reach 11,585.94.