There is no upper limit for the maximum credit card of China Bank. The amount of platinum card is more than 50 thousand yuan, and there is no upper limit.

The remaining credit line of China Bank is as follows:

1. The limit of the universal card of China Bank is less than 1 1,000 yuan.

2. The amount of gold card in China Bank is between 10000 yuan and 50000 yuan.

3. The amount of the Platinum Card of China Bank is more than 50,000 yuan, and there is no upper limit.