On the day of the event, you can apply for the Sinopec Group's petrol refueling card free of charge, which can be used throughout the country. Refueling with the card can also enjoy a point discount of 2 cents per liter. Individual users can recharge 1,000 yuan to the convenience store's 50 $ 30 off the merchandise voucher. "On May 30, at the large auto show held at the Huaihua International Convention and Exhibition Center, Sinopec" blue "elves were shuttled at the auto show site, and were enthusiastically explaining and promoting preferential policies with customers. The interest and favor of car buyers.