Company profile Established for more than 20 years35 years of experience in vacuum pump Development Vacuum Equipment CO., Ltd. has been established in 2000 and specializes in the manufacturing and design of various vacuum pumps and vacuum systems. After twenty years of efforts, the company has been developing rapidly. At present, DVE has already set up a more comprehensive quality management system as well as large-scale design and manufacturing capability. 1.ROTARY PISTON VACUUM PUMPS Rotary piston vacuum pumps can not only be operated independently. Can also be used as roots vacuum pump, oil booster pump, oil diffusion pump before the use of pump. The pump must be fitted with appropriate accessories if the exhausted gas is corrosive to ferrous metal, reactive with vacuum pump oil, or rich in vapor and dust. 2.Oil Diffusion Vacuum Pumps Manufacturers As a Oil Diffusion Vacuum Pumps Suppliers specializing in custom Oil Diffusion Vacuum Pumps, we can customize corresponding products according to customer requirements or parameters. At the same time, as an ISO-9001 certified manufacturer, we maintain manufacturing quality. Our products are manufactured in accordance with European and international standards and have successfully passed the CE certification test. 3. Oil Diffusion Ejector Vacuum Pumps Manufacturers As a Oil Diffusion Ejector Vacuum Pumps Suppliers specializing in custom Oil Diffusion Ejector Vacuum Pumps, we can customize corresponding products according to customer requirements or parameters. At the same time, as an ISO-9001 certified manufacturer, we maintain manufacturing quality. Our products are manufactured in accordance with European and international standards and have successfully passed the CE certification test.