Neturen Co Ltd is a steel and steel products manufacturing company. It manufactures and sells prestressing and deformed steel bars for prestressed concrete used in civil engineering and construction field; Induction Heated, Quenched and Tempered Wire used in suspension springs for auto parts and construction machine parts; and induction heating equipment for various industries. The company's segments consist of Specialty Steel and Wire Products Division and Induction Heat Treatment Service and Heating Machine Division. The majority of the revenue is derived from the manufacturing and sale of prestressing steel bars and shear reinforcement bars.