1. According to China Postal Savings Bank official website, there are several grades of credit cards. The credit limit of ordinary cards is mostly between 1000- 10000 yuan, and that of gold cards is mostly between 10000-50000 yuan. Gold cards can be exchanged for ordinary cards, but they will be downgraded and the amount will be reduced.

2. China Postal Savings Credit Card Gold Card is a standard credit card product specially developed for middle and high-end people. The products not only have the functions of circulating credit, installment consumption, cash advance and password selection, but also have the functions of air ticket hotel reservation, supplementary card quota adjustment and 48-hour card loss protection. It is a convenient and affordable credit card that conforms to international standards and enables cardholders to enjoy "credit card consumption first, then repayment" at home and abroad.