- SUNGJIN INTERNATIONAL CORP.
- Address:707-1 Yoksam
- Alcoholscan
- Address:Yoksam
- Auto Electronics Corporation
- Address:Hansin IT Tower,Guro 3-dong ,Guro-gu
- WooKyung Tech Co., Ltd.
- Address:35-160, Samjung-dong, Ohjung-gu,
- Phill-it
- Address:A-504, 242, Pangyo-ro, Bundang-gu
- Albatross Corporation
- Address:3F 548-1, Oedo#1-dong, Jeju-si, Jeju-do
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