Ten years of industry exploration, 10 years of first-hand awareness, and today's total car service -- the golden key. From the moment you found out about it, you've had it, you've had it, you've had it, you've had it, you've had it, you've had it for more than 10 years. Taking into account the situation and situation in the country, an in-depth study of the automobile industry has been carried out using the concept of a comprehensive whole-of-the-car service for auto services, car sales and vehicle maintenance. It also responds positively to community-based policies on car service and expands its outreach to local markets. The promotion of gold key cards, comprehensive coverage of the network, the implementation of a city-wide cartoon function, the establishment of a national network platform, the implementation of the same operating model for cars and mobile phones, and the provision of affordable and accessible services to the owners of cars. In conjunction with the local automobi...