We specialize in producing marine valves and air vent head according to  JIS Standard. The company is an integrative enterprise which can supply designing, developing, installation, selling and after service . Our main products include globe valve, screw down check valve, check valve, hose valve, gate valve, storm valve,  air vent head and other marine accessories. The materials are mainly cast iron,  cast steel, bronze . Pressure: 0.5MPa-6.4MPa. DN: 15mm-400mm. If you have need for these, I am glad to help you.