Sheet Metal / Parts Machining 1. Hige precision on sheet metal fabrication 2.Professional Quality ... metaMaterialStainless Steel, Cold Rolled Steel, Aluminum, Brass, Copper, Gilding, Bronze, Kovar, Glass Sealing Alloys 42,52, NiFe 48, Nickel, Preplated materials ... 183.not pollute 4.obey color greatese Sheet Metal / Parts Machining