... Surface treatment: Painting 4.Application:Equipments 1.Material:Grey Iron 2.Production process:Sand Casting3.Surface treatment: Painting 4. ... Furan Resin Sand and green sand2.Material:Grey iron,Ductile iron,Malleable Iron,Stainless steel,Carbon Steel,Aluminum, Brass ,Bronze ... .Process:die forging and free forging2.Material:gray iron,ductile iron,iron,carbon steel,white steel,steel,aluminum alloy,brass ...