These two credit cards are all platinum. If you spend money abroad in the future, it can be automatically converted into RMB, and there is no exchange fee, which is still very good.

The biggest difference is that the consumption points of Air China bosom friend credit card are automatically converted into Air China miles at a preferential rate every month, and you can't participate in other points exchange activities of CCB. If you often take Air China flights, you can get a bosom friend credit card. If you don't usually fly Air China, then the GSM payment card is better.