The inter-bank foreign exchange market mainly includes four types of RMB foreign exchange products: spot, forward, foreign exchange swap and currency swap. * * * There are five pairs of RMB against the US dollar, euro, Japanese yen, HKD and British pound. In addition, the inter-bank foreign exchange market also includes spot transactions of eight foreign currencies, including Euro/USD, AUD/USD, GBP/USD, USD/JPY, USD/CAD, USD/CHF, USD /HKD and EUR/JPY. Trading varieties in foreign exchange market: 1. Spot trading of RMB and foreign exchange (FX spot) II. RMB foreign exchange forward transaction. Rmb foreign exchange swap (FXSwap)4. Currency swap of RMB and foreign exchange (CurrencySwap)5. Foreign currency to foreign currency transaction (transaction foreign currency exchange).