- KSP STEEL
- Address:48-179 Samjong-dong, Ojong-gu
- Wei Song Company
- Address:# 102-302 Gasuwon-dong, Seo-gu
- JINSAN CORPORATION
- Address:Rm. 710, Marine Centre, 9-52 Chungjang-daero, Jung-Gu
- Takos Co., Ltd.
- Address:1126-14, Goejeong-Dong, Saha-Gu, Busan City, Korea
- CHEONG-GU METAL CO.
- Address:8-202 Woobang Chungja Apt. ,
- Kong Jin
- Address:429-2 Dangjeong-dong,Dangjeong-dong ,Gunpo-si
- DOONGWOO PRECISION CO.,LTD
- Address:61-5 Pal Yong
- Takos
- Address:1126-14 Goejung-Dong
- SAMWOO CO., LTD
- Address:# 1149-1, Anha-ri, Hallim,
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