Neturen. 

Neturen Co., Ltd., operating with its subsidiaries, specializes in the global production and distribution of various high-quality steel and wire products. The company provides a comprehensive suite of offerings, including prestressing steel bars, PC bar spring steel wires along with their associated machining equipment, and pre-hardened wires. Additionally, Neturen manufactures induction heating systems, high-frequency power supplies, and offers induction heat treatment services for mechanical parts. Beyond its core manufacturing, the firm is involved in leasing both tangible and intangible assets, and supplies solar cell interconnectors and heating process monitoring devices. Neturen is also actively engaged in the development of new technical products. Its broad product range supports diverse applications, such as engine, transmission, suspension, and body components for the automotive sector, as well as parts for excavator construction machinery. Further specialized products include elements for partial diameter enlargement, rolling and slewing bearings, front fork inner tubes, hollow rack bars, perforated laminate tapes, Netulene coatings, micro forming wires, and pre-hardened shafts. Neturen Co., Ltd. was established in Tokyo, Japan, in 1940, where it maintains its headquarters.