... casting,foundry,gray iron casting,ductile iron Ductile iron pipes and fittings 1. Material: Ductile iron according to ASTM, DIN,JIS, EN, ... ISO, GB standards2. Process: Casting, Machining, Assembly and Surface treatment according to the ... : OEM can be provided. We can produce samples according to customers' drawings.5. Delivery: By sea, air or ...