- Hyun International
- Address:1510 Investel, 1123-2 Sanbon-Dong Gunpo-City Kyunggi-Province, Korea
- Hyun International Co
- Address:1510 Investel, 1123-2 Sanbon-Dong
- E-pia Tech Co.,ltd
- Address:
- Hyun Joung System Co., Ltd.
- Address:810,2nd Ace Techno, Tower,197-7, Guro-dong, Guro-gu
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