As long as customers hold the calling card of China Telecom, open wing payment service and open a gas station with wing payment function in China Petrochemical Company, they can enjoy preferential payment cheaper than the market price per liter of 0.3 yuan.

Specific operation essentials when refueling: Select the fuel consumption with the number 1 on the pos keyboard in the business hall of China Petrochemical Gas Station, enter the refueling amount, enter the mobile phone number and password, click Enter, print the pos receipt, sign it, and give it to the oiler for refueling.