The "gold customer number" for agency physical precious metal business is a 10-digit number. You can check it through the following methods: 1. Log in to online banking and select "Online Precious Metals - Agency for Physical Precious Metals - My Agency for Physical Precious Metals" Function, or log in to the new version of online banking, select "All-Precious Metals. Foreign Exchange. Commodities-Physical Precious Metals-Agent Physical Precious Metals-My Physical Precious Metals-Trading Account Management" function query; 2. Bring a valid ID and a bank card for handling physical precious metals business Check at any business outlet nationwide. Warm reminder: The handling outlets in Zhejiang are different, please refer to the actual handling.