... , 3162. Surface: mirror polish, high polished3.Stainless Steel Handle,door handle,glass door handle,stainless steel square door handlesDetails1. Casting: investment casting ,precision casting, lost wax ... , ASTM, BS,JCSI.3. Piece numbers: small, medium and large series.4. Process: cast, machining, turning, milling, drilling, thread cutting.5 ...