- sejong heavy industries
- Address:706, western tower
- SAMIN CORPORATION
- Address:seoun-ro, seocho-gu
- JUKANG JAWON CO LTD
- Address:865-2, On Chun 2-Dong,
- pungsung precision tube co., ltd.
- Address:HALLIM MYON
- JT&C
- Address:81-2 Tanbang-dong Seogu Daejeon
- Korvan
- Address:115-4,Goyang-ri ,Wolgot-myeon ,Gimpo-si
- MD Special Steel
- Address:342, Sucksu-dong
- YoungHwa Enterprise co.,ltd.
- Address:# 8-6, haean-dong 2-ga, jung-gu
- Samjungltd
- Address:Dukjang-ri, Hunghae-eup
- DAEGUN STEEL CO.,LTD.
- Address:669-2 Geom Am-Dong
- Juan Amt Co.,Ltd.
- Address:310,Chowonji-ri,Daegot-myeon ,Gimpo-si
- HYOSUNG Co. Ltd
- Address:CHUNGDAMDONG, GANGNAMGU
- Pos Ceramics Co., Ltd.
- Address:1826, Jechul Ceramics,Jangheung-dong ,Nam-gu, Pohang-si
- Samhwa Paints Co. , Ltd
- Address:6f, CS Tower, 56-3 Sungsan-Dong, Mapo-Gu, Seoul, Korea
- Neotrading Corporation
- Address:1F,Sincheon 3-dong ,Dong-gu
- Dae Yang Rope System
- Address:67B13L, 628 GOJAN-DONG, NAMDONG-GU
- EUN-JIN CO.,LTD
- Address:1012-18, An-Yang 9 Dong, An-Yang SI
- FELIX TECHNOLOGY CO LTD
- Address:# 852-4, Byeongdong-Ri, Hallim-Myeon
- KS FIBER Co., Ltd.
- Address:# 154-1, Duksung-Ri, Song-Myun, Dongnam-Ku
- DS TRADING CO., LTD
- Address:Yongsinri, seongjugun, Gyeongbuk, South Korea