... brass parts, bronze parts, copper parts, aluminum parts, ect. 3.Various Finishes: zinc plated, chrome plated, electrophoresis, dacromet ,powder coated, ... Electroplating, Polishing, Powder Coating, Blacken, Hardening, Painting and many other treatment of the parts. 4.Quality Assurance : IPQC inspect each part ... to process. micro Iron casting machinery parts pieces of metal for all kinds of machine