Neturen Co., Ltd., together with its subsidiaries, manufactures and sells steel bars in Japan and internationally. It operates through Specialty Steel and Wire Products, Induction Heating, and Others segments. The company offers prestressed concrete (PC) steel bars, deformed PC steel bars, and shear reinforcement products for civil engineering and construction applications; high-strength spring steel wire (ITW) products for the use in suspension springs for automobiles and two-wheeled vehicles; automotive parts; construction machine parts; machining equipment; pre-grout PC steel bar; double stark; ball screw shaft material; and pre-hardened wires and steel. It is also involved in the manufacturing and sale of induction heating equipment and high-frequency hardening equipment; contract processing, manufacturing, and sale of high-frequency quenching of machine parts, etc.; provision of induction heat treatment services for critical safety parts of automobiles, machining equipment, and industrial machine parts; and development of technical products business; and slot lamination tape for communications. In addition, the company leases movables and real estate properties; and integrated processing, includes hollow rack bars, front inner tubes, slewing bearings, and partial diameter enlargement processing. Neturen Co., Ltd. was incorporated in 1940 and is headquartered in Tokyo, Japan.