Surfaces as if polished by hand In the field of high-quality jewelry and watches, the most stringent demands are placed on surface quality. OTEC has amassed a wealth or experience with intricate working parts and supplies virtually all top manufacturers throughout the world with innovative machines bearing the seal "made in Germany". The very best surface quality and the absolute reliability of the processes and advanced technologies used ensure OTEC's leading position in this sector. The right choice of media and machine technology enables OTEC's machines to achieve a surface quality that is equivalent to hand polishing. OTEC offers you the expertise needed to ensure the best results when finishing stainless steel, platinum, gold or ceramic materials.
The usage of jewellery goes back to the beginnings of humankind. And the development and manufacturing of devices for jewellery making and jewellery cleaning also goes back to the founding years of Elma.Shiny metal or bright and colourful precious stones - fascinating materials, which are often crafted into small artworks, using great skill and artistic talent. What is particularly important here is that every little stone fits into its mount, and all residues of the manufacturing process are cleaned off, so that the gem can shine.