It is a dual-currency credit card jointly issued by ICBC and Diners Club. Like visa and MasterCard, it is a foreign card organization, and like domestic UnionPay, it is a card organization. At present, only ICBC and ICBC jointly issue cards in China. It's not very easy to use credit card in the country. Some POS machines do not recognize it. Payment cannot be made online either. The card number is 14 digits.