Plug Valve, Gate Valve, Choke and Kill Manifold manufacturer / supplier in China, offering Wellhead 2-9/16′′5000psi Gate Valve with Material 4130 Psl3, API 6A 2-9/16′′10000psi Gate Valve with Material 410 Psl3, API 6A Wellhead Gate Valve Pr2 and so on.