... Electroplating, Polishing, Powder Coating, Blacken, Hardening, Painting and many other treatment of the parts. 4.Quality Assurance : IPQC inspect each part ... 100% inspection before shipment by micrometer, height gauge, projector measuring machine, coordinate measuring machine(CMM), etc. 5. Advantages: (1). We ... to process. micro Iron casting machinery parts pieces of metal for all kinds of machine