The precious metal trading business of Agricultural Bank of China (ABC) means that customers open a precious metal account through Jinsui debit card, and through this account, they purchase the "handed down treasure" standard precious metals investment products according to the real-time precious metal quotation of Agricultural Bank of China, and the purchase amount is credited to the customer's precious metal account in real time. Customers can apply for extracting precious metals from their precious metals accounts or sell them directly.