Big forging bowl OEM & ODM service High quality & Competitive Price Timely production and ... , machining & welding by a lot of material, such as ductile iron, stainless steel, aluminum, brass etc. We have supplied good quality ... and earned good reputation. For the specification of forging bowl: 1. Material: Different Iron & Steel series2. Process: Casting, Machining, Punching3.Surface Treatment ...