JZJX type Roots-vane vacuum system consists of the major pump i.e ZJ type Roots vacuum pump and the backing pump i.e. vane vacuum pump.The system has the specificity of high vacuum degree and wide pumping-speed range,and it is more fit to pump dry and clean gas. Now,the series vacuum systems are already widely used in the trade of metallurgy,chemical industry,light industry,petroleum industry,medicine,printing and dyeing,wiring,electronic vacuum,semiconductor,grocery,atomic energy and spinning etc.
