- Unisem Co., Ltd.
- Address:509, Jangji-ri, Dongtan-myeon, Hwaseong-si
- K3 GLOBAL CO LTD
- Address:3F, Jushin Bldg. , 73-1 HwangHak-Dong, Jung-Gu
- ILYANG OPO CORP.
- Address:42-2, Neungpyeong-ri, Opo-eup
- Mikun Core Co., Ltd.
- Address:3TH FL, TAESUNG BLDG, 1-16, CHONGDAM-DONG, KANGNAM-KU
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