Qingdao huizhong industry co.,ltd. professional supply ductile iron pipe and pipe fitting,malleable iron pipe fitting,weathervane and hand toos with years export experience. We have export our products to Europe,USA,CANADA ETC.DN80-DN1600 ductile iron pipe and fitting conform to ISO2531/EN545.malleable iron pipe fititng can be produced according to three standard:DIN,BS,ANSI.Weathervane body pure copper.