In the world of jewelry and watches, perfection is paramount – impeccable surfaces define true excellence. OTEC is synonymous with precision and innovation, supplying leading manufacturers worldwide with high-end finishing solutions “Made in Germany.” By harmonizing advanced process technology with state-of-the-art machine engineering, our systems achieve unmatched hand-polished quality on gold, silver, platinum, stainless steel, brass, and ceramics – reliably, efficiently, and with absolute consistency.