- SY SOURCING CORP
- Address:2nd Flr, Daewon Blg, 312-10
- pyunghwametal
- Address:Sokongdong
- Ebenezer International Inc.
- Address:14-5 Chunhyun-Dong
- UN Tech Co., Ltd
- Address:667-5, Mangpo-Dong, Youngtong-Gu, Suwon-city, Other, South Korea
- YANG-JI ENTERPRISE
- Address:207-8 Dalchun Agricultural and Industrial Complex Buk-gu
- MR STEEL INC.
- Address:552-2 Dangsandong 3ga, Youngdeungpoku
- Kum Kang Resources
- Address:BUSANBUSAN1001, BANYO 1-DONG, HAEUNDAE-GU
- Seokjin Steel Co.,Ltd.
- Address:Waegwanup
- Baek UK Corporation
- Address:402-11, Samrak-dong, Sasang-gu
- S Won Tech
- Address:grand cilegon residence jl.boulevard raya no.21
- Gyowwsteel.co.ltd
- Address:jungdongn
- CHS corp
- Address:Wongok-dong
- Kumhwa Machinery Co., Ltd.
- Address:WONSHI-DONG,Wonsi-dong ,Danwon-gu, Ansan-si
- Uljin Tin Mining Co.,LTD
- Address:880-6 Uljin-eup
- Emerging Korea Inc.
- Address:3F SeongEun B / D 246-64 Banghwa-Dong, Gangseo-Gu
- Kum Kang Quartz Co., Ltd.
- Address:422 Chong-ri,Yeongcheon-ri ,Dongtan-myeon ,Hwaseong-si
- TWK GLOBAL
- Address:4800 Shinil B/D 425 Teheran Road, Gangnam-Gu, Seoul, South Korea
- inter burgo
- Address:130-5 samjeon-dong
- Woo Lim Metal Co., Ltd
- Address:Mi Kum
- ILSHIN TAEKWANG
- Address:232 Sinwonro