BEIJING -- China's 140 securities brokers saw their net profits expand 11.9 percent in 2021 from the previous year to 191.1 billion yuan ($30.33 billion), according to the Securities Association of China.

The firms reported 502.41 billion yuan in operating revenue last year.

The total assets of the securities brokers reached 10.59 trillion yuan at the end of 2021, up 19.07 percent year-on-year, while their net assets stood at 2.57 trillion yuan, up 11.34 percent year-on-year.

The sector's risk control is solid, with the net capital of the securities firms totaling 2 trillion yuan, according to the association.