Profile: Donson Machine Co. is a manufacturer of precision machined parts. We provide CNC turning and CNC milling services. We offer citric passivation, ultrasonic cleaning, ID marking, surface decontamination, part bagging and protective packaging, heat-treating, plating, painting, etching, anodizing and electro-polishing services. We work with aluminum & brass, stainless, titanium, exotic alloys and plastics.