Profile: D S A Precision Machining, Inc. supplies precision machining for production of mechanical components. Our CNC machining offers CNC vertical machining centers and CNC lathes. We deliver boring, cutting, drilling, grinding, milling, tapping and turning. Our conventional machining renders semi-automatic mills, grinders, saws and finishing equipment. Our service line includes injection molding, welding, heat treatment, painting, plating and assembly.