Automobile school
If you choose to go to automobile school, the focus is on the theoretical knowledge of automobiles, where you can systematically master the basic principles and theories of automobile maintenance.
A repair shop/shop
If you choose to go to a repair shop, you will pay more attention to the actual operation and experience every detail of the auto repair. This is a good opportunity to accumulate experience.
Car or truck
As for whether to repair cars or trucks, cars are mainly gasoline cars, and trucks are mostly diesel cars now. This choice may affect your study focus.
Learning time
If you study at school, the time mainly depends on your graduation time, and there will be an internship stage after graduation. In the garage, it depends on your efforts. If you work hard enough, you may master the relevant skills in one to three years.
Subdivision of automobile maintenance specialty
There are many subdivisions of auto repair, including chassis maintenance, engine specialty, circuit specialty, air conditioning specialty, welding, and automobile beauty painting. It takes different time to study different majors, but as long as you have determination and hard work, no matter what major you study, it is unlikely to last more than three years.
Technical certification
Although I don't know the situation in Hangzhou, in Chongqing, many skilled repairmen have no certificates. As long as you have real skills, whether you open your own shop or work in a repair shop, you will be recognized.