Investment Casting Bicycle Parts ProcessInvestment Casting,Silicon sol casting,Die Casting,Sand Casting,Gravity Casting,etcMaterialStainless Steel,Carbon Steel,Alloy Steel,Aluminum,Copper,Ductile Iron,Grey iron,etc Material GradeGB, ASTM , AISI , DIN , BS, JIS, NFWeight0.01 kg~150kgAccuracyClass CT4~CT11Surface RoughnessUp To..