BEIJING - Chinese stocks closed lower on Friday, with the benchmark Shanghai Composite Index down 0.74 percent to 4,027.74 points.

The Shenzhen Component Index closed 2.21 percent lower at 15,314.7 points.

The combined turnover of stocks covered by these two indices reached 3.07 trillion yuan ($450.43 billion), up from 2.76 trillion yuan on the previous trading day.

Electricity, shipbuilding and machinery stocks suffered major losses, while aircraft manufacturing, ceramics and textile machinery notched gains.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, lost 3.2 percent to close at 3,957.93 points Friday.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 2.4 percent lower at 2,025.38 points.