Ball Valve, Needle Valve, Check Valve manufacturer / supplier in China, offering 50mm Long SS304 G1/2" Parallel Thread Sch10 Single Pipe Nipple, High Quality 1000psi High Pressure 2-Way Chemical Resistant Internal Thread Bsp Stainless Steel 304 Instrumentation Ball Valve, Industry Use Precise 6000 Psi Flow Control Female Thread Instrumentation Ss Needle Valve and so on.