Zhangqian is (1) a comprehensive mobile financial service platform jointly launched by China UnionPay, Changsha Bank and China Communications Service Co., Ltd. (2) Through the deep integration of mobile phone number and bank account, the mobile phone number is the bank account number, providing customers with various convenient, financial, investment and wealth management services such as online payment, offline UnionPay POS machine consumption, water, electricity, telephone charges and traffic violations. (3) Money delivery integrates "mobile financial services", "mobile electronic payment" and "mobile e-commerce" and has the characteristics of "zero threshold, zero cost and zero distance". Download zero threshold, unlimited regions, unlimited mobile phone operators, unlimited bank cards, can be registered as money users, zero handling fees, real-time funds to the account.