1. Pay by credit card of Postal Savings Bank at PetroChina/UnionPay Express/Mobile Banking, and by credit card at Sinopec/UnionPay Express/Mobile Banking every Saturday, with a 8.8% discount for refueling, with a maximum reduction of 36 yuan. Places are limited, first come, first served.
2. Each card can only be used once a month. Postal savings bank trade union card enjoys a discount of 8.8%. If the 8.8 discount is used up, you can enjoy the full reduction of ordinary credit cards.