... machinery parts 3. fittings of a machine About UsGegao Machine is a professional manufacturer in Standard or Custom ... experience in all types of Metal Working: Stainless Steel, Steel, Cold Rolled Steel, Carbon Steel, Aluminum, Brass, Zinc, Iron, Cooper, ... all products are 100% inspectioin before shipment Materialsteel,stainless steel,carbon steel, aluminum, brass, zinc, etc.Processingstamping, bending, ...