Vacuum pump is a vacuum packaging machine in the main part, he will have a direct impact on the quality of vacuum packaging machine is good or bad, so pay attention to the quality of the vacuum pump wholesale purchase and Hanjin should in general a good vacuum packaging machine can have the following points:
　　1. Shenzhen vacuum impregnation machine vacuum packaging machine materials used appearance: There are painted and stainless steel of the points, stainless steel models are different, and now with the best of the vacuum machine is number 304.
　　2. Vacuum packaging machine electrical difference on good electrical components are not easily broken, poor electrical components is not the same.
Reasonable, the fineness of the various components of the installation link 3. Dongguan impregnated vacuum packaging machine designed to have a certain influence on a good vacuum machine.
　　4. Hanjin wholesale, vacuum packing machines vacuum pump is good or bad is a certain influence, different environments are different, the packaging, the vacuum pump is good or bad will emerge, mainly in the life of the vacuum pump and pumping speed on difference. vacuum pump maintenance is the main key link, good maintenance is very easy vacuum pump is not bad.