Vacculex have about 160 employees(including 25 R&D engineers, we keep focus on developing and producing dry vacuum pump(screw vacuum pump and roots pump), roots blower and two-stage liquid ring vacuum pump, and compete with leading global vacuum brands, to offer clients leading quality dry vacuum pump with competitive price. Roots pump (booster) pumping speed range from 170 to 110,000 m3/h. Roots blower range covering <15000m3/h). Screw vacuum pump pumping speed range from 110 to 2700 m3/h. Two-stage liquid ring vacuum pumping speed range from 105 to 1700m3/h.