Quality is reliable, accurate size, wall thickness, internal and external surfaces of the joint ductile iron Detailed Product Description1)Material:ductile iron 2)Standard:ISO2531/EN545 3)Size:DN80-DN2400 4)OEM service SpecificationsQuality is reliable, accurate size, wall thickness, internal and external surfaces of the joint ductile ironwe can provide the OEM service,and produce the items ...