柔らかい鉄管

ISO2531 Ductile Iron Pipe K9 C40 C30 C25 DN80‑DN2600 Cement Lined Bitumen Coated DIP Ductile Cast Iron Pipe for Water Supply Sewerage Project Product Description Ductile Iron Pipe(DIP) is manufactured by centrifugal casting process. With high tensile strength, good pressure‑resistance and anti...