Neturen (高周波熱錬株式会社) is a company specializing in induction heating (IH) technology. It operates Specialty Steel and Wire Products, IH, Technical, and Leasing divisions. The Specialty Steel and Wire Products division provides steel bars for prestressed concrete (PC bars), spring steel wires, machining equipment for PC bars, and pre-hardened wires. The IH division manufactures and sells IH equipment, high-frequency power supplies, and provides induction heat treatment services of mechanical parts. The Technical division is focused on the development of new products. The Leasing division offers leasing of movables and immovables.