China Securities Finance Co., Ltd. (CSF) is a securities financial institution in China. Established on 20110, it was jointly funded by the People's Bank of China (the central bank) and the China Securities Regulatory Commission to provide liquidity support for securities companies and maintain the stability of the capital market.

The main functions of securities companies include:

1. Financing channels for securities companies: Securities companies provide financing channels for securities companies by providing loans and repurchases, supporting securities companies to cope with market risks and ensuring the stable operation of the securities market.

2. Securities market investor protection fund: Securities companies are responsible for managing the securities market investor protection fund. When a securities company is unable to repay its clients' assets due to bankruptcy, liquidation and other reasons, the investor protection fund will be used to provide compensation to investors.

3. Maintaining the stability of the capital market: As an important participant in the capital market, securities companies maintain the stability of the capital market by participating in market transactions and providing liquidity.

Securities companies play an important role in China's capital market. Providing liquidity support and maintaining market stability will help reduce market risks, enhance investor confidence and promote the healthy development of the capital market.