... Xiamen China, you can expect these from us: Various of metal stamping , Compression Spring and wire form, screws and ... and shee material.Key Words: maching part, metal spare part,metal shalft, metal processing Part,hardware machined part. 1) Equipment: ... Material: iron, carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel with various plating; 3) Surface treatment: ...