Butterfly Valve, High Performance Butterfly Valve, Gate Valve manufacturer / supplier in China, offering FM UL Gate Valve with Post Flange*Flange UL/FM Approval 300psi, FM UL Nrs Gate Valve with Post Flange*Flange Piv, FM UL Deluge Valve with Solenoid Valve and Pressure Gauge Used in Fire Sprinkler System and so on.