Huitong cards are divided into Huitong fuel card and Huitong business card. Huitong fuel card can be used at the Huitong Bao special gas station of PetroChina and PetroChina BP to refuel. Huitong Business Card can be used for refueling and swiping cards, and can be swiped at various channels designated by Huitong Bao, including fashion shopping, catering, car service, life service, entertainment and leisure.