Chinese equities dropped by 0.52 percent with slim trade Friday amid fluctuations within the day, and ended the week lower.
The benchmark Shanghai Composite Index retreated 14.71 points to finish at 2,838.84, down about 3.5 percent from last Friday's closing.
The Shenzhen Component Index lost 0.8 percent, or 91.71 points, to close at 11,384.16.
Combined turnover shrank for a fourth day, by more than 25 percent from Thursday's 176.94 billion yuan (26.02 billion U.S. dollars) to 129.33 billion yuan Friday.
Losers outnumbered gainers by 573 to 259 in Shanghai and 477 to 275 in Shenzhen.