Longka Car Card has a weekly discount car wash service. When the retail price of car wash service is equal to or lower than that of 15 yuan, cardholders can enjoy car wash service without paying fees; When the retail price of car wash service exceeds that of 15 yuan (Platinum car cards are free below 4 yuan), the excess will be paid by the cardholder with car card points (the conversion ratio is 4‰, that is, every 1 points will be converted into 4 yuan RMB), and the balance of points will be paid in cash. CCB official website can inquire about specific car washing points, log on to the CCB credit card homepage, select the Longka car card in "Card World" on the left side at the bottom of the page, and then click "Inquire about national car washing outlets and integral oil changing methods" on the right side of the page, and select the provinces and cities where the car card is located in the map to inquire about all local car washing points information. In addition, log in to mobile banking and choose "Enjoy Life"-you can also find information about car washing points nearby. There are nearly 2 car washing points in Chengdu, which is a small part of them.