... : mirror polish, high polished3.Stainless Steel Handle,door handle,glass door handle,stainless steel square door handlesDetails1. Casting: investment casting ,precision casting ... ,alloy steel, heat resistant steel ,tool steel ,brass and aluminum ,according to DIN ,EN, ASTM, BS,JCSI ... .3. Piece numbers: small, medium and large series.4. Process: cast, machining, turning, milling, drilling, ...