If you wish to perform fixes for your Dfang DF150 then it is usually a great idea to have access to a Workshop Manual to use as reference if perhaps you want to know techniques to strip off a particular component for example, the Brake Pads and fit it again successfully.
Dfang DF150 Workshop Manuals will give certain diagnostic guidelines with regards to your vehicle so if something is not working it can help you identify what the problem is and how you can fix it. Then you are able to assess if this can be achieved yourself or that the job is just too big you can make a booking for your DF150 in with a trusted car garage.
Dfang DF150 manual