- HYUNDAE METAL CO.,LTD
- Address:# 665-2, Sangyeok 2 Dong, Buk-Gu
- Soo Young International Ltd.,
- Address:
- 3G Technology Co., Ltd.
- Address:410-1, SSANGJUNG-RI, MAENGDONG-MYUN, UMSUNG-GUN
- STWORLD CO LTD
- Address:Halla Sigma Valley B215, # 442-2, Sangdaewon-dong, Jungwon-gu
- JUNG JIN METAL CORPORATION
- Address:705 7F. Byeoksan Digitalvally 132-7 Gamjeon Dong Sasang Gu
- Kopat
- Address:Room702, SinsanBD, Gumjong 874-2
- Korea Rifcom Co., Ltd.
- Address:Room #803,7th Daeryung Techno Town,489-11, Gasan-dong, Geumcheon-gu