Semyung Electric Machinery Co.,Ltd manufactures and sells transmission and distribution lines, railway products, and automobile parts in South Korea and internationally. The company offers 154KV, 345KV, and 765KV transmission and distribution lines; optical fiber ground wire fittings, including suspension clamps, stock bridge dampers, tower fixation clamps, jumper clamps, reinforcing rods, and compression terminals; and distribution fittings for the transportation of electric power. It also provides railways and subways hardwares and accessories, such as tensioning devices, hinged brackets, steady arms, wire turn buckles, connection fittings for insulator, section insulators, cross current clamps, feeder branches, feeder ears, wedge clamps, wire terminals, jumper wire & aluminum terminals, globe clamps, dropper clamps, hanger ears, bands for electric railway, messenger wire suspension clamps, double ears, arm-support clamps, and protection sleeves. In addition, the company offers pulley type tensioning devices, steady arms, half clamps, dead-end clamps, compression sleeve for connecting and coupling power lines, hook clamps droppers, i-type suspension clamps, compression termination clamps, suspension clamps, clevis termination clamps, twisted hinges, parallel turnout sleeves, clevis anchor straps, rotatable arm-support fittings, clamp sleeves, cable clamps, rotary clips for overhead catenary, and dropper spliced end. Further, it provides sectional beams for textile looms and parts; nonferrous and special steel forgings for the textile industry; and air intake surges and manifolds, air ducts and delivery pipes, and low arm products for the automobile industry. The company was founded in 1962 and is headquartered in Busan, South Korea.