Ball Valves, Control Valves, Knife Gate Valves manufacturer / supplier in China, offering Flanged Connection Non-Penetrating Knife Gate Valve, Model Kgv-FL, Food Grade Processing, API 6D Approved Non-Penetrating Knife Gate Valve, Model Kgv-API, for High Abrasion Slurry Flow, High Pressure Pn25 Non-Penetrating Knife Gate Valve, Model Kgv-HP, Oil & Gas Pipeline Isolation and so on.