... OEM service available Product DescriptionPrecision auto bicycle partsMaterial: Aluminum, copper, brass, bronze, stainless steel, zinc, carbon steel, iron, plastic, PVC etc.Machinery ... etc.Machining processing: Cutting, welding, punching, drilling, turning, milling, grinding, rolling, stamping, cold drawing, bending, spinning, forging, etcNingbo Yinzhomu Hishen Hardware ...