Does the questioner want to ask "What is the general limit of a Postal Bank credit card?" 2,000 to 50,000 yuan. Learned from the official website of China Post Bank. Postal Bank credit card limit is 2,000 to 50,000 yuan. Postal Bank Credit Card is a RMB credit card issued by the Postal Savings Bank of China. It has all the functions and services of a UnionPay standard credit card and can be used freely for consumption at home and abroad.