ktk Inc. manufactures and sells recycled products and office supplies for use in office automation equipment in Japan. It offers repack toners, ribbons, gels, cartridges, inks, etc.; office furniture and equipment, printers, copy papers, printed matters, stationery products, and shredder/OA equipment, as well as disaster prevention supplies and daily necessities products; and environmental hygiene products, etc. The company also provides various IT solutions, including printing and paperless solutions; network construction and preparation of Wi-Fi environment; cyber and email security solutions; and digital communication tools and workplace design solutions. It sells its products primarily through the Internet and mail order catalogs. The company was incorporated in 1971 and is headquartered in Nagoya, Japan.