Shanxi kewell industrial co.,ltd produce the Ductile cast Iron Pipes with Push on Joint, K9,it confirms to ISO2531-1998 and EN545:2002, including the rubber ring in according to ISO4633, the coating of the pipe is the internally cement mortar lining and externally rich zinc plus bitumen coating . if you have the requirement for them, Please contact us : sx.kewell (at) yahoo.cn .
ductile iron pipe