Specializing in Industrial excess surplus. Pnuematic valves, actuaters, cylinders, pumps,fittings, motion control, motors, lead screws,percision bearings, controllers, optical, read switches, sensors, electric controls etc. ...

Our company specializes in the production of solenoid valve and pneumatic on pipeline fluid. COVNA, original brand, runs its business around world quality awards ratification through competing with European countries, United State, Japan other major ...