... Polishing, Powder Coating, Blacken, Hardening, Painting and many other treatment of the parts. 4.Quality Assurance : IPQC inspect each part during every ... . 5. Advantages: (1). We would choose the first rate steel plate, (2). Professional stamping with good qualification ,(3). Mould designed in house ... or material to process. micro Iron casting machinery parts pieces of metal for all kinds of machine