OTEC GmbH Perfect surfaces........Worldwide OTEC GmbH, located in Straubenhardt, Germany has been providing high quality, cost effective, deburring, grinding, and polishing systems worldwide since 1996. The OTEC CF Series centrifugal disc finishing machine, with its patented zero gap processing system, and the DF Series drag finishing machine have become the standard for small parts high energy mass finishing throughout the world. Now, as the exclusive North American partner for OTEC since 1998, we can offer our customers the same unparalled products and solutions for their most demanding finishing applications. Let our highly experienced staff consult with you regarding your parts finishing problems. We offer free, no obligation, sample parts testing in our laboratory in North Kingstown, RI. As you navigate through the following pages of our website, we invite you to contact us with any questions or comments.