ICBC's online banking has a "small online foreign exchange purchase business". Customers can log on to ICBC online banking to purchase foreign exchange under $50,000, and purchase foreign exchange in real time and receive it in real time. They can also view the details online and print them online. At present, this business supports the purchase of foreign exchange in nine currencies: US dollar, Hong Kong dollar, Japanese yen, Euro, British pound, Australian dollar, Canadian dollar, Singapore dollar and Swiss franc, which can meet the purchase demand of individual customers.

However, the online small repurchase business is limited to domestic individuals who hold ICBC multi-currency accounts and have opened online banking. Purchase of foreign exchange by individual customers of online banking, and annual transaction limit control. The maximum amount of foreign exchange purchased each year is equivalent to $50,000. If your account can only buy US dollars but not Singapore dollars in online banking, it means that your account should be a RMB-US dollar account and there is no Singapore dollar account.