Yonsha produces a wide range of Single Stage and Multi-Stage Air Vacuum Pumps, Venturi Ejector, Vacuum Generators that operate using plant supplied compressed air.  Ejectors are designed for the material handling, automation, fixtures, jigs and other industrial applications. The venturi pumps will handle from the smallest to largest amounts of flow and vacuum level. While others offer only Multi-Stage or only Inline styles we build all types to insure you get the best pump for your specific application.