The exchange rate of the initial swap is calculated according to the agreed spot exchange rate; (2) Other forms of average capital reverse exchange stipulated by the People's Bank of China and the State Administration of Foreign Exchange. On the effective date of this agreement, both parties will exchange RMB and foreign currency principals at the agreed exchange rate: (1) On the effective date of this agreement, both parties will exchange RMB and foreign currency principals at the agreed exchange rate, and the interest can be calculated according to the floating interest rate, fixed interest rate and the agreed date of duration. Currency swap actually refers to the exchange of principal at the beginning and the end, including the exchange of principal at the same exchange rate on the expiration date of the agreement. Interest exchange means that both parties regularly pay each other the interest amount calculated in the converted currency, and then both parties use the same exchange rate on the expiration date of the agreement.