Legal. China Petrochemical Refueling Prepaid Card is a payment tool issued by China Petrochemical Company to facilitate consumers to purchase refueling service, which is a legal way of sales and purchase. The source of China Petrochemical's refueling recharge card can be purchased by consumers through official website, stores, Taobao and other sales channels, or employee benefits provided by enterprises for employees and their families, which are in compliance with relevant laws and regulations within the legal purchase channels and scope of use.