Valve, Tube Fitting, Valve Manifold manufacturer / supplier in China, offering Hongji Valve Supplier 316 Stainless Steel Ball Valve with Female Thread 3 Way Ball Valve, NPT 304 316 316L Stainless Steel Fittings Manifolds Valves & Gauge Root Valves, High Pressure Gauge Manifold 316L Stainless Steel Produced 6000psi 3-Valve Manifolds and so on.