N/a manufacturer / supplier in China, offering Wear-Resistant Zero-Leakage High Pressure Knife Slurry Valve for Mining Operations, Soft-Sealed Pz43 Robust Slurry Unidirectional Sealing Knife Gate Valve for Coal Mining, Dmz Model Slurry Sealing Unidirectional Knife Gate Valve for Medium Temperature Conditions and so on.