Tongling Jingda Special Magnet Wire Co., Ltd

Employee size

501-1,000

Organization type

Public Company

Headquarters

New York, NY

Founded in 1990 in Tongling, a major copper-producing center on the Yangtze, Tongling Jingda Special Magnet Wire Co., Ltd. manufactures electromagnetic wire and conductor solutions for motors, transformers and other electrical equipment. The publicly listed company has grown into a 24-subsidiary group with 17 research platforms and three CNAS-accredited laboratories, while its production clusters serve customers across China and international markets. Jingda is particularly active in electric-vehicle drive motors, where its copper flat wire is designed for high energy density, heat dissipation and corona resistance.

• Sam Dong Co., LtdFounded in 1977, Sam Dong Co., Ltd. manufactures winding-wire materials and related copper products for the electrical-energy and equipment industries. Its portfolio ranges from oxygen-free high-conductivity copper to continuously transposed conductors and MgB₂ superconducting wire, supported by facilities in South Korea, the United States, and Poland.DELAWARE, OH
• Hyper Tech Research, IncFounded in 2001, Columbus-based Hyper Tech Research manufactures long-length magnesium diboride and niobium-tin superconducting wire while developing coils, cryogenic systems and other technologies for energy, medical and transportation applications. Its 41,000-square-foot facility has annual capacity exceeding 10,000 kilometers of wire, and the company’s patented continuous tube forming and filling process helped move MgB₂ wire from research into commercial manufacturing. More recently, Hyper Tech has expanded into high-power-density induction motors and grid technologies aimed at supporting electrification and a lower-carbon energy system.COLUMBUS, OH
• S & W Wire CompanyFounded in 1988, S & W Wire Company manufactures and distributes magnet wire, with an original specialty in emergency production of fiberglass- and Kapton-insulated wire. It reports stocking up to 150,000 pounds across more than 200 sizes and offering 24-hour manufacturing services, alongside order-specific wire preparation and testing.CRANBERRY TOWNSHIP, PA
• Republic Wire, IncRepublic Wire, Inc. began operations in Cincinnati, Ohio, in January 1982 and grew from a 3,000-square-foot warehouse into a wire manufacturer operating a modern production facility described as 350,000 square feet. Originally known as a bare copper wire specialist, it now manufactures wiring products for electrical wholesalers, utility distributors, RUS, investor-owned utilities, and municipalities. The company states that its copper wire products are manufactured in the United States.WEST CHESTER, OH