China petrochemical refueling card (hereinafter referred to as the fuel card) adopted advanced IC card technology and established the fuel card key system and strict security authentication mechanism according to the China Financial Integrated Circuit (IC) card specification of the People's Bank of China, which can guarantee the truthfulness, security and reliability of each transaction. At the same time, the sensitive data in the card is encrypted and stored to protect your personal information.
Generally, self-service gas stations have certain discounts, which vary from province to city. Some gas stations can also use the wing payment function to further reduce prices. Please consult your local branch for details! Hope to adopt the answer!