Sam Dong Co., Ltd. / Sam Dong America
Major multinational producer of oxygen-free high-conductivity (OFHC) continuously transposed conductors (CTC), paper-wrapped flat magnet wire, and epoxy-bonded CTC for global transformer OEMs.
Product categories
Copper / CTC conductors
Related components
Company record
| Company | Sam Dong Co., Ltd. / Sam Dong America (Sam Dong Group) |
|---|---|
| Role | MANUFACTURER |
| Location | Eumseong, North Chungcheong, South Korea |
| Accessory categories | Copper / CTC conductors |
| Product family | Continuously Transposed Cables (CTC) & Oxygen-Free Copper Magnet Wire |
| Product / Trade names | Sam Dong OFHC Continuously Transposed Cable (CTC), Paper-Covered Copper Strip, Enamelled Flat Wire |
| Technology subtypes | CTC (5 to 85 strands), Epoxy-hardened CTC, OFHC copper strip, Paper covered rectangular wire |
| Documented grades | OFHC Copper 99.99%, 5 to 73 strands |
| Thickness / dimensions | 5 to 85 strands |
| Technical standards | IEC 60317-29, ASTM B187, KS C 3107 |
| Founded | 1977 |
| Primary evidence citation | Sam Dong corporate capabilities & plants in Korea and USA (Tennessee/Ohio) |
| Source tier | TIER A |
| Provenance | Sourced — not a product certification · Source: official website · checked 14 Sept 2026 |
Directory entries are informational supplier listings and do not imply verification, endorsement or commercial affiliation. Verification reflects a website check on the date recorded; always carry out your own due diligence before a commercial decision.
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