Cylinder, Solenoid Valve, Pneumatic Cylinder manufacturer / supplier in China, offering CHELIC Factory Made HVM Pneumatic Hand Valve, Swing Type Operation Lever, Universal Industrial Air Control Valve, CHELIC HVM-402 HVM-403 HVM-404 Manual Air Control Valve, 4 Way 3 Position Hand Valve Made in China, CHELIC 4 Way 3 Position Hand Valve HVM Series, Optional 1/4" 3/8" 1/2" Connection Diameters, Made in China and so on.