... 3.casting for 15 years Description:1. Name: Alloy steel construction machinery part 2. Technology: casting 3. Material ... part, truck part ItemDescriptionProduct Class:Investment castingMaterial: Copper, Stainless steel, Carbon steel, Alloy steel such as 304, 316, 25#, 45#, 40Cr,ect. ... produce complicated shapes that would be difficult or impossible with die casting, yet like that process, it requires ...