Legal analysis: According to Chinese laws, the annual interest rate of loans from 0 to June (including June) is 4.35%, from June to 1 year (including 1 year) is 4.35%, 1-3 years (including 3 years) is 4.75%, and from 3 to 5 years (including 5 years). On this basis, there will be appropriate downward floating or upward floating.

Legal basis: Law of the People's Republic of China on the People's Bank of China Article 28 The People's Bank of China may decide the amount, term, interest rate and method of loans to commercial banks according to the needs of implementing monetary policies, but the loan term shall not exceed one year.

Rules for Internal Management of Fixed Assets Foreign Exchange Loans of the People's Construction Bank of China Article 14 The loan interest rate of foreign exchange projects of China Construction Bank shall be determined according to the relevant regulations of the People's Bank of China, the fund raising cost of the Bank and the level of peers, and shall fluctuate for 3 months and 6 months respectively. The borrower can choose the floating term at will. China Construction Bank should keep abreast of the changes in foreign exchange loan interest rate and accurately determine the project loan interest rate.