1. Issue subway bonds. Zhengzhou Metro raises funds by issuing bonds. After the issuance of bonds, investors can buy bonds and become creditors, while MTRC rewards investors by paying interest and principal.

2. Attracting bank loans. Zhengzhou Metro can apply for loans from banks to finance the construction of subway projects. The bank will decide whether to issue loans according to the credit status and repayment ability of Zhengzhou Metro, and stipulate the corresponding interest rate and repayment period.