agricultural machinery part 1.Ductile iron machining 2.Seeding machinery parts 3.High hardness 4.new stucture & fine price 1.Description: Precision Investment, Lost Wax ProcessSteel,Stainless Steel,Cast Iron Machined Castings and CNC machining2.Material: Cast iron, Gray Iron,Grey Iron,Ductile Iron,alloy steel,stainless steel,etc3.Good surface,Tight tolerance,Fast delivery4.Standard:GB,AISI, BS, ...