Fixed interest rate, annual interest rate / %. The contract interest rate remains unchanged during the term of the loan. ☐ The source of fixed interest rate of RMB loan is: the quoted interest rate of loans with a maturity of ☐ 1 year /☐ 5 years or more (optional) last published by the National Inter-bank Lending Center as of one working day before the effective date of this contract ☐ plus/☐minus (optional) / basis points; Sources of fixed interest rates for foreign currency borrowings: