Oil free scroll vacuum pumps manufacturer / supplier in China, offering GWSP600 1phase 220V 50/60Hz 0.75kW 8.7L/s 1Pa industrial or lab clean oil free scroll vacuum pump, GWSP600 1phase 110V 60Hz 0.75kW 10L/s semiconductor industry dry oil free air scroll vacuum pump, GWSP600 3phase 380V 50/60Hz 0.75kW 8L/s industrial clean dry air scroll vacuum pump and so on.