... 2. mirror polish, 3.Stainless Steel Handle,door handle,stainless steel square door handles 1.Material : Stainless steel 304, 3162. ... shell process.2. Materials: stainless steel ,carbon steel ,alloy steel, heat resistant steel ,tool steel ,brass and aluminum ,according to ... DIN ,EN, ASTM, BS,JCSI.3. Piece numbers ...