- Samhwa Metal Co., Ltd.
- Address:267,Palbokdong 2-ga ,Deokjin-gu, Jeonju-si
- OZ mnt co.,Ltd
- Address:Rm 903 KOLONdigitaltowerbilllant Guro-Dong
- Samsun Logix
- Address:5th Fl. LeeMa Bldg. , 146-1 Soosong Dong, Jongno-Gu
- Dooin Cooperarion
- Address:1108, Hwanghwa Bldg 832-7, Yeoksam-Dong
- Korea Pgm Co.,ltd
- Address:RM 2609 JANGGYO BLDG., JANGGYO-DONG
- booktopia co.,ltd
- Address:# 1642-18, Daemyung10-Dong, Nam-Gu
- Bison Co., Ltd.
- Address:811,TEHERAN OFFICE BLDG., 707-38, YEOKSAM-DONG. KANGNAM-GU
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