ZD VACUUM is one of the most important manufacturers of vacuum pumps & systems in China. With two ISO-9001 certificated factories located in Shanghai & Suzhou, ZD serves the customers by high quality products using the modern manufacturing and managing technologies. Products & Service V- serial rotary vane vacuum pumps, with capacity 10-750m3/h R- serial roots pumps, with capacity 300- 4200 m3/h Vacuum system & engineering service.