Zhangjiakou Bank is private. Zhangjiakou Bank is a local joint-stock commercial bank in Zhangjiakou. Founded on March 8, 2003. Headquartered in Zhangjiakou, it is mainly engaged in RMB business, acting as an agent for payment and insurance agency business, providing safe deposit box business, handling entrusted deposit and loan business of local financial credit working capital, and other businesses approved by the CBRC. Banks are financial institutions that handle deposits, loans, remittances, savings and other businesses. They are financial institutions that conduct credit intermediary through deposits, loans, remittances and savings. They are the products of the development of commodity currency economy to a certain stage. Banks belong to one of the financial institutions. According to types, banks can be divided into central banks, policy banks, commercial banks, investment banks and the World Bank. In general, the responsibilities of each bank are different.