Jacobsen Lenticular Tool & Cylinder Engraving Technologies Co. (JacoTech.USA) and (JacoTech.China) "Global Scientific Solutions for the Development and Production of Cylindrical Polymer/Plastic Processing including Microstructured Optical Roll Surface Mould Components Used for the Management of Light" JacoTech is in the optical micro-machining business of CNC diamond turning, milling, and fly-cutting unusually (big and heavy) cylinders used to either extrude/ emboss/cast/calendar ...