First, machine maintenance, mainly to repair mechanical parts such as automobile engine gearbox. Now electricians are also involved in machine maintenance. Mechatronics: Because of automobile faults, detecting automobile circuit control system requires many auxiliary equipment such as decoders and multimeters. Therefore, pure machinery can no longer adapt to the maintenance of the current EFI car.

Second, sheet metal spraying, mainly responsible for plastic repair and painting operations in automotive sheet metal. At present, the added value of sheet metal spraying is relatively high.

Third, rotate the insurance category. Mainly responsible for automobile tire maintenance, four-wheel alignment correction and chassis suspension system maintenance projects.

Fourth, wash the beauty and modify it. Mainly to car cleaning and beauty modification. Work items include car washing, beauty, polishing and waxing, glaze sealing and crystal plating, liquid glass, color-changing film spraying chassis protective armor, etc. Modification of audio, exhaust, interior, lighting (the Traffic Management Bureau is not allowed to modify the original car lighting without authorization), installation of lower fender, installation of boarding pedal, etc. In the face of the automotive aftermarket, the highest added value belongs to beauty modification.