1. Select the regular fire engine manufacturers, although this special vehicle manufacturers in China are not many, but there are many small workshops and small factories without production qualification and quality details of methods and materials are very different. Don't to fail to effect, often go wrong, rights were not guaranteed, after-sales service to keep up.
2. complete all procedures, whether manufacturers of quality, file and sign the agreement are to have, and the procedures must be stamped with the seal of the manufacturers, signed by both parties so as to legal effect.
3. If the retro-fitting or refitting more when the technology is not mature, pay attention to after-sales service, asked manufacturers to an aftermarket support, and when there is a problem can be solved.
