- KyungBong Corp.
- Address:KyungBong Corp. K-center 1591-9, Gwanyang-dong, Dongan-gu
- SunWin Electronics Co.,Ltd
- Address:PYUNGCHANG-KOON
- SHINDO INDUSTRY CO., LTD
- Address:922-3, Dongpae-Ri, Gyoha-Eup
- SAM SAM Co Ltd
- Address:1507-70 Singumri Okgokmyun
- Sam Il Components Co., Ltd.
- Address:337-3,Gil-dong ,Gangdong-gu
- SECURO Co.,Ltd
- Address:
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