Vacuum pressure pump is a Small Vacuum Pump device or gadget that USES mechanical, physical, chemical substance or physical-chemical ways of pump air out of a container to obtain a vacuum.Generally speaking, vacuum pump is a device that improves, generates and maintains vacuum in a closed space by just various means.
Regarding to the working basic basic principle of vacuum pump, vacuum pump could be divided into two types, namely gas catch pump and gas transfer pump.It is trusted in metallurgy, substance industry, meals, electronic coating and other industries.