... machines,deburring,polishing,spray paint,CMM,spectrometer test.5.High temperature treatment:water quenching and ... )Machining: drilling, tapping Machining, milling etc. 3)Surface treatment:electroplating,passivation,anodic oxidation,electrophoresis,spraying, ... products of good quality, testing equipment, perfect quality assurance system, advanced processing equipment. 3)The company stresses credibility, ...