TK - HOLD AD provides cylindrical-two-stage and three-stage, cylindrical-worm, cone-cylindrical, wave, and planetary-wave gears. It also offers electrical panels; high-pressure valves; various types of connectors; street lighting lanterns, etc.; cabinet and upholstered furniture; standard and non-standard connecting and fastening elements for the automotive industry; wrought iron elements, bolts, rivets, nails, etc.; fasteners for energy industry; trailed agricultural machines, such as forage harvesters; maintenance of software products; water meters for domestic and industrial use, water meter stands, electric executive mechanisms, DC electrometers, and starter relays; cotton fabrics, hemp-linen fabrics, tarpaulins, polyester fabrics, twine, ropes, tobacco packaging, and conductive tapes and ropes; and woven yarns. In addition, the company provides fish for consumption, other aquatic animals, and fishery products; catches fish in inland reservoirs; designs and constructs fish breeding facilities; processes flax stalks, long and short flax fibers, and linen upholstery; and manufactures instruments and devices for measurement and automation. Further, it offers forest products; rubber technical products for automotive and household appliances; machine parts; valves for pneumatic tires; cleats; sealants for water pipes and other products; PVC-profiles and related products, such as doors, windows, paneling, accessories, and fittings, as well as PVC-profiles construction, installation, dismantling, and repair services; and cheese, sour and fresh milk, and cream. Additionally, it provides leasing and transportation services; trades in cars and spare parts, and petroleum products, as well as provides auto repair services; manufactures printed circuit boards; designs and develops computer technology systems; and printing engineering, designing, and publishing services. The company was founded in 1996 and Sofia, Bulgaria.