- Naizil Corporation
- Address:# 1501 Hyundai Kirim Bldg, 1330-18, Seocho-Dong, Seocho-Gu
- QILU KOREA
- Address:# 102-1204 Koaroo, 1209, Yongwon-dong
- HANIL STEEL CORPORATION
- Address:53, 48th gil, Gayadae-ro, Sasang-gu
- Boo Kuk Steel Ind. Co., Ltd.
- Address:
- Daewon Steel Co.,Ltd.
- Address:2Na-705,Shihwa industrial complex, 1294, Jeongwang-dong ,Siheung-si
- Taekwang Metal Co.,Ltd
- Address:
- YOU-JIN COMMERCICAL
- Address:
- A1 Special steel
- Address:Somanggonwon-ro
- MD Special Steel
- Address:342, Sucksu-dong
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