STMARINEVALVEisaprofessionalmanufacturerandexporterofvariousJISandDINmarinevalves,airventheads,andpipingaccessoriesetc.OurproductsareapprovedbyDNV,ABS,LR,GL,BVandCCS.TheyarebothsoldtoalmosteverycoastalcityindomesticandexportedtoKorea,Japan,Singapore,Greece,TheNetherlands,Malaysia,India,Thailandandsoon,greatlyevaluatedandentrustedbythecustomersandenjoyingagreatreputation.Choosequalityproducts,choosefastdelivery&competitiveprice,chooseus!主营：蝶阀;日标船用青铜铸铁铸钢阀门;铸铁焊钢铸铝空气管头;