Gate Valves, Brass Ball Valves, Check Valves manufacturer / supplier in China, offering Pn16/Class 150 Corrosion-Resistant Marine Self-Closing Bronze Plug Valve for Water/Oil/Gas Industrial Piping Systems, China Marine Bronze Self-Closing Gate Valve Head for Sounding Pipe JIS F3019, Medical Gas Shut-off Valve Box for Oxygen VAC Air Gas and so on.