CCB official website can inquire about the specific car wash point, log in to the homepage of CCB Credit Card, select Longka car wash card from the high-end products at the bottom of the page, and then click "Inquire about national car wash outlets and integral oil change methods" on the right side of the page, select the province and city where the car wash card is located in the map, Renqiu belongs to Hebei, and select Hebei to inquire about the local car wash point information.