- Business
- Nippon Kinzoku Co., Ltd. manufactures and sells stainless steel precision rolling and processing products, including cold-rolled stainless steel strips, cold-rolled special steel strips, precise processed products such as precision profile rolled steel (Fine Profile), precision pipes (Fine Pipe series), stainless steel sections and roll forming products, magnesium alloy strips, and ultra-thin electrical steel strips (less than 0.1mm thickness, including grain and non-grain oriented foils, wound iron cores, and reactors); it also offers specialized finishes like SFA Finish, STA Finish for high-precision etching, L-Diel Finish for die wear resistance, FI (Fine Insulation) Finish for insulated stainless steel, NK-301ZF high-strength ductile material, NK-305 Series, BS/WS wide width foils, and original stainless steel grades for automotive exterior moldings, as well as small-diameter tubes with inner surface precision, welded drawn pipes surpassing seamless pipes, and grating components. The company serves industries such as automotive (including EV battery parts, connectors, sensors, busbars, and exterior moldings), medical devices (endoscopic surgery pipes, injection needles compliant with European regulations), semiconductors (mass flow controllers), renewable energy (low-loss power systems), construction, and electronics, with operations in Japan (headquarters in Tokyo's Minato-ku, plants in Itabashi, Saitama, Gifu, and Fukushima), Thailand (Nippon Kinzoku (Thailand) Co., Ltd.), Malaysia (Nippon Kinzoku (Malaysia) Sdn. Bhd.), and China (Shanghai subsidiary), targeting markets in Japan, Europe, the United States, and Asia. Founded in 1930 and incorporated in 1939, the company is headquartered at G-BASE TAMACHI 10-11F, 5-29-11 Shiba, Minato-ku, Tokyo 108-0014, Japan. Recent developments include the launch of new eco-products such as SFA Finish, STA Finish, L-Diel Finish, and FI Finish; expansion of NK-305 Series and Fine Profile sales; establishment of a trial production and consignment processing support desk in 2025; mass production system for small-diameter FINE PEEK-ST capillary coiled tubes; commercialization of small-diameter precision inner surface tubes and stainless steel grating components; and exhibitions at Medtec China 2025, Stainless Steel World Asia 2024, and Metal Japan to promote EV, medical, and lightweight applications.