... ,Dcutile Iron Forged Stainless Steel Flang 1.We are manufacturer and exporter in Dalian,China,specialized in casting and machining, stamping,welding parts. We ... ,ductile iron,steel,carbon steel,stainless steel,copper,brass,bronze,aluminum,zinc etc. the line of product including construction parts,railway parts,automobile parts,parts. Vessel parts etc.. 2 ...