NHK Spring Co., Ltd. provides automobile, data communications, and industry and lifestyle products in Japan. The company offers automotive suspension springs, such as coil and leaf springs, stabilizers, stabilizer links, torsion bars, and stabilinkers; automotive precision springs, including valve springs, disc and wire springs, leaf springs, and injector springs; thin leaf, high-strength disc, special disc, and cylindrical-headed disc springs; spring mechanism products, such as metal bellows accumulators, medical bellows, FPK disc springs, and ceramic springs; automotive motor cores; and precision molds. It also provides sports seats, compact SUV seats, mini one-box wagon seats, fatigue reduction seats, front seat frames, seats with air and thin suspension, and seats for car sickness mitigation; automotive interior parts, such as door sunshades, tonneau covers, and screws and bolts; chain tensioners, control cables, brake discs, assist balancers, and lock hinges; and HDD suspensions, top covers, disk clamps, and base plates. In addition, the company offers semiconductor process parts, including heaters, cooling parts, and shower heads; microcontactor contact probes and test sockets; aluminum, copper, and iron substrate, as well as direct bonded insulator circuit; Trustgram anti-counterfeit labels and PTAS II authenticity determination system; pipe clamps and support products; and mechanical parking systems and parking system with EV charger. Further, it provides railway related products, such as tension balancers, turnouts, grid tie turnouts, rail fastening devices, springs for Shikansen trains, and synthetic rail ties; ship-related products comprising dampers for vessels and marine remote-control boxes; and golf shafts and metal bats. The company was formerly known as Shibaura Spring Manufacturing Co., Ltd. and changed its name to NHK Spring Co., Ltd. in 1939. NHK Spring Co., Ltd. was incorporated in 1936 and is headquartered in Yokohama, Japan.