1. Zheshang Securities Co., Ltd. Zhengzhou huanghe road Stock Exchange Business Department

2. Zhengzhou Yun Yi Tu Information Technology Co., Ltd..

3. Zhengzhou Business Department of CITIC Securities Co., Ltd.

4. Shenwan Hongyuan Securities Co., Ltd. Henan Branch

Investment bank is a kind of financial institution corresponding to commercial bank. Non-bank financial institutions mainly engaged in securities issuance, underwriting, trading, enterprise restructuring, mergers and acquisitions, investment analysis, venture capital, project financing and other businesses are the main financial intermediaries in the capital market. Investment banks are the names of the United States and continental Europe, Britain is called merchant banks, and China and Japan are called securities companies.