Asahi Diamond Industrial Co., Ltd. engages in the production, sales, export, and import of diamond tools, instruments, and precision machines. Its products include various diamond wheels, wires, saws, dies, dressers, drills, blades, scribers, reamers, bits, powder, tools, mills, jet nozzles, and wear parts. The company was founded on October 9, 1937 and is headquartered in Tokyo, Japan.