China Industrial and Commercial Bank does not charge any handling fee for foreign exchange trading. Domestic banks adopt the market-making business system for foreign exchange transactions, and increase the quotation in the international foreign exchange market as the quotation for Huimin transactions. The spread varies from 10 to 30 points according to the amount and currency of your transaction. The larger the transaction amount, the lower the spread. The spread refers to the difference between the selling price and the buying price of the bank's foreign exchange, which is generally expressed by the fourth decimal place of the foreign currency amount.

Foreign exchange margin trading (also known as foreign exchange speculation) refers to signing a contract with a designated investment bank, opening a trust investment account and depositing a sum of money (margin) as a guarantee. Investment banks (or brokers) have set a credit operation limit, that is, the leverage effect is 20-400 times, and it is illegal to exceed 400 times.