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