Plug Valve, Gate Valve, Choke and Kill Manifold manufacturer / supplier in China, offering 2-9/16''5000psi Gate Valve with Material 4130 Pr1, Pr2, Wellhead 2-9/16''10000psi Gate Valve with Material 4130 Pr1, Pr2, 2-9/16''10000psi Gate Valve with Material 410 Pr2 and so on.