Instrumentation Valves, Instrumentation Fittings, Tools manufacturer / supplier in China, offering Stainless Steel 3000 Psi Swagelok Type 1/4 in. Od NPT Quick Coupler Double-End Shutoff Quick-Connects, 6000 Psi Swagelok T-Type 316 S. S 1/4′′ 1/2′′ Od NPT One Way Valve Metal to Metal Check Valve, Swagelok Type 3500 Psi Stainless Steel 1/8 1/4 Od VCR Diaphragm Valve and so on.