... Steel Handle,door handle,stainless steel square door handles 1.Material : Stainless steel 304, 3162. Surface: mirror polish, high polished3.Stainless Steel Handle,door handle,glass door handle,stainless steel ... steel ,brass and aluminum ,according to DIN ,EN, ASTM, BS,JCSI.3. Piece numbers: small, medium and large series.4. Process: cast ... : According to ISO 9001 2001 Stainless Steel Handle,door handle