The Shangai Composite Index dropped 3 points or 0.07 percent on Monday to close at 4041 points.
Losses were led by Sanan Optoelectron (-4.99%), Datang Intl (-3.52%) and BAIC BluePark (-2.87%).
Offsetting the fall, top gainers were Shaanxi Coal (7.20%), China Coal (5.92%) and Fuyao Glass Indu (5.52%).