Hello, to answer your question, it is correct that foreign exchange banks are the customizers and providers of exchange rates. And according to the information on the Internet, foreign exchange banks are also called "exchange banks". Banks specializing in foreign exchange business and international settlement. Its main business is: dealing in foreign exchange trading and exchange, handling foreign trade settlement, providing foreign exchange credit and guarantee for domestic importers and exporters, and issuing securities abroad. This bank usually has many branches abroad. China Bank is a professional foreign exchange bank designated by the state.