Which mainland securities listed companies have business in Hong Kong stocks?

Mainland listed companies with Hong Kong stock business include CITIC Securities, Guoyuan Securities, Guo Xin Securities, Guotai Junan Securities, Galaxy Securities, Shen Yin Wanguo Securities, China Merchants Securities, Guodu Securities and Guangfa Securities. A listed company refers to a joint stock limited company whose shares are listed and traded on the stock exchange with the approval of the securities administration department authorized by the State Council or the State Council. The so-called unlisted company refers to a joint stock limited company whose shares are not listed and traded on the stock exchange. A listed company is a joint stock limited company, which must meet certain conditions besides being approved to be listed and traded on the stock exchange. After the revision of the Company Law and the Securities Law, more enterprises will become listed companies and companies whose corporate bonds are listed and traded.