Oil Free Vacuum Pump, Screw Vacuum Pump, Dry Vacuum Pump manufacturer / supplier in China, offering Stable Xd-202 Rotary Vane Vacuum Pump of 150kg, Xd-160 Rotary Vane Vacuum Pump with 4kw Strong Power, 7.5kw Explosion-Proof Motor Plastic Industrial Liquid Ring Vacuum Pump and so on.