You can deposit money in the city with the Bank of China and ICBC, and in the countryside with postal services. To run a credit card in Shenzhen, you can run an industrial and commercial bank or China Merchants Bank. The handling fee or interest of ICBC is lower than that of other banks. SMS reminds you that you don't have to pay, and the credit card discount of China Merchants Bank is more convenient. When the bank calls you, you can refuse to handle any business. If the credit card is cancelled, you can call the bank customer service to cancel it. You don't have to go to the counter. If you want to do it, you can