Xi'an TOPTION Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of hot sale circulating water vacuum pump with high quality in China. We provide high quality solutions & products for global customers who work in chemistry, biology, pharmaceutical, food, etc. If you have any enquiry about lab solution customization, please feel free to email us.




A vacuum pump oil seal mechanical vacuum pump is used for pumping gas-sealed container vacuum equipment. It may be used alone, but can also be connected together as a forepump use, booster pump, diffusion pump, molecular pump, and the like ultra-high vacuum.
Widely used in the manufacture of electronic devices, vacuum drying, filtration, impregnation, coating with wax, welding, smelting, chemical industry, light industry, petroleum, medical, pharmaceutical, printing and dyeing, electric vacuum, semiconductor, food, atomic energy, textile and other research institutes, universities, and colleges school, industrial and mining enterprises.
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