Sheet metal processing, commonly used materials have cold rolled plate (SPCC), hot rolled plate (SHCC), galvanized sheet (SECC, SGCC), copper (Cu), brass, copper, beryllium copper, aluminum (6061 and 6063 aluminum, etc.), aluminum profiles, stainless steel (mirror, brushed surface, matte), according to the different role of product, made of different materials, it generally takes from which the product use and the cost up to consider.
     1 cold rolled plate SPCC, mainly used in electroplating and paint, low cost, easy molding, material thickness is less than 3.2mm.
     2 hot rolled plate SHCC, T material is more than 3.0mm, but also by electroplating, paint, low cost, but difficult to molding, mainly for flat pieces.
     3 galvanized sheet SECC, SGCC. SECC electrolytic board is divided into N material, P material, N material is not for surface treatment, the cost is high, P material is used for spraying.
     4 copper; mainly used electric materials, the surface treatment is nickel, chrome, or no treatment, high cost.
     5. Aluminum; general surface chromate (J11-A) and oxidation (conductive oxidation, chemical oxidation), high cost, silver, nickel plate.
     The 6 section aluminum profile; complex materials, used in a large number of plug box. Surface treatment with aluminum plate.
     7 stainless steel; the main use is not for any surface treatment, high cost.