... ) or according to customer requirements.4.Processing:die casting,CNC lathes,milling machines,deburring,polishing,spray paint,CMM,spectrometer test.5.High ... , grinding, heat treatment, thermal explosion. 2)Machining: drilling, tapping Machining, milling etc. 3)Surface treatment:electroplating,passivation,anodic oxidation,electrophoresis,spraying ...