... , bronze parts, copper parts, aluminum parts, ect. 3.Various Finishes: zinc plated, chrome plated, electrophoresis, dacromet ,powder ... Powder Coating, Blacken, Hardening, Painting and many other treatment of the parts. 4.Quality Assurance : IPQC inspect each part ... 2). Professional stamping with good qualification ,(3). Mould designed in house,(4). Professional engineers team,(5). first class services ...