All categories of automobile maintenance enterprises: 1. A type of automobile maintenance enterprise: an enterprise engaged in automobile overhaul and assembly repair production. Such enterprises can also engage in automobile maintenance, automobile minor repairs and automobile special repair production. 2. Class II automobile maintenance enterprises: engaged in class I and II automobile maintenance and minor repairs. 3. Three types of automobile maintenance enterprises: specialized in automobile body repair, painting, tarpaulin, seat cushion and interior decoration repair, electrical instrument repair, battery repair, radiator and oil tank repair, tire repair, automobile door and window glass installation, air conditioner and heater repair, fuel injection pump, fuel injector and carburetor repair, crankshaft grinding, cylinder boring and grinding, body cleaning and maintenance and other special repairs or maintenance.

The above-mentioned level requires a certain site area and equipment, and there are regulations. Only when they reach it can they start business!