The annual fee for the main card of Dingya Platinum Card of China Postal Savings Bank is one year in 5 yuan. According to the inquiry of China Post official website, China Post was officially restructured from the former China Post Group Company in December 219. The reason why the annual fee of postal credit card was deducted from 5 yuan was that the annual fee of Dingya Platinum Card of China Postal Savings Bank was one year in 5 yuan. Postal credit card is a credit card issued by China Postal Savings Bank.