If you have to undertake fixes on your Jincheng AX 100 C then it will always be recommended to possess a Workshop Manual for a reference in case you want to know how to take off a specific component such as the Gearbox and install it again successfully.
Jincheng AX 100 C Workshop Manuals gives you certain diagnostic guides for the vehicle so if something is wrong it can help you discover what the issue is and some ways to repair it. You can then determine if you can do this yourself or in the event the job is simply too big you can actually book your AX 100 C right into a trusted friendly mechanic.
Jincheng AX 100 C manual