Yes, it is suitable for business travelers. China Eastern Longka is an aviation co-branded credit card jointly issued by China Construction Bank Co., Ltd. and China Eastern Airlines Co., Ltd., which provides many intimate services such as premium mileage exchange, high aviation insurance, and rich preferential merchants. The points accumulated by swiping China Eastern Dragon World Rivoka and standard Platinum Card can be automatically converted into Oriental Miles points at a ratio of 12 1 every month; The points accumulated by swiping China Eastern Longka Gold Card and Puka will be automatically converted into Oriental Miles points at regular intervals according to the ratio of 15 1 every month. The World Credit Card is free of annual fee within the validity period. Annual fee of UnionPay Gold Card 160 yuan, and 3 transactions per card year are exempt from the annual fee of the current year; The annual fee for UnionPay Platinum Card is 580 yuan, and the annual fee for swiping the card 10 transaction is exempted.