Asahi Diamond Industrial Co., Ltd. manufactures and sells diamond and cubic boron nitride (CBN) tools in Japan, rest of Asia, Oceania, Europe, and North America. It offers electronics and semiconductor products, such as diamond wheels, diamond cutting wheels, electroplated diamond wires, electroplated diamond band saws, CMP conditioners, diamond dies, scribers, and precision grinding wheels; and transportation products, including diamond wheels, CBN wheels, diamond cutting wheels, diamond dressers, diamond roller dressers, turning tools, drills, end mills, reamers, and precision grinding wheels. The company also provides machinery products, such as diamond wheels, CBN wheels, diamond dressers, diamond roller dressers, diamond wire guide dies, diamond water jet nozzles, wear resistant tools, precision grinding wheels, and super-finishing grinding stones; stone and construction products comprising diamond saw blades, diamond portable cutters, diamond wire saws, diamond polishing wheels, diamond core drills, and diamond bits; and jewelries and diamond powders. Asahi Diamond Industrial Co., Ltd. was incorporated in 1937 and is headquartered in Tokyo, Japan.