2, Beijing Sanyuanqiao Auto Repair City has a recruitment machine repair apprentice, you can go to the field to find out.
3. It is the best way to directly find the maintenance company around you and ask them directly. You can search the repair shops around you through Baidu Map, and you can "find" the repair enterprises around you in one second. Then consult on the spot to understand.
? The above suggestions are for your reference only. If not, please criticize and correct me. Thank you.