... Agricultural,Engineering,Automotive Casting,Precision Casting,Carbon Steel Casting Precision Casting,Carbon Steel Casting,Casting 1) Molding process ... investment casting,Sodium Silicate Technology,Colloidal Silica 2) Material: Carbon steel, Alloy steel, Stainless steel, Brass, Gray ... iron, Aluminum, Ductile Iron 3) Molding: Hand made,Wax (suspension) line 4) Possible Heat Treatment: Normalizing ...