... valves,used for war ship and merchant ships,provide CCS certificate. cast steel stop valvestype:A and ... 4.0, 6.4MPamaterial of stop check valves:bronze,brass,gun metal,cast iron,forged steel. ... steel,nodular cast ironjiangyin marine valves co.,ltd provides marine valves with different types such as ... JIS,GB etc,valves are exported to Singapore,Australia,German,Korea,Japan,Dubai and so on.the company ...