Ductile iron pipe in the direction of it?
The use of cast iron by adding more than 18 nodularizer, after centrifugal ductile cast iron machine high speed centrifugal cast pipe, called "ductile" (Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc..
The utility model is mainly used for conveying water, and is an ideal choice for tap water pipes.