The top six representatives of China Construction Bank represent issuing banks. The specific number of the top six depends on the type of bank card under construction. For example, the debit card of China Construction Bank also begins with 62 1700; VISA Dragon Card Debit Card of China Construction Bank at the beginning of 436742; The beginning of 436745 is the VISA Dragon Card of China Construction Bank; 622280 starts with Alipay Dragon Card Debit Card of China Construction Bank.