- POLYTECH INTERNATIONAL CO LTD
- Address:Coex Trade Center 2A-02 159, Samseong-Dong
- pyunghwametal
- Address:Sokongdong
- Ebenezer International Inc.
- Address:14-5 Chunhyun-Dong
- Han Yang S&C
- Address:Unsu dong# 317
- CRL INC
- Address:Tahoe Business Center Sungdo Building, 587-23 Shinsa-Dong,
- youngjin non ferrous metal scrap
- Address:Incheon
- Sejong Major International co.,ltd.
- Address:490, Shincheong-Dong
- S K Biotech Inc.
- Address:Haengbok Bldg. 3rd. Floor 1142-30 Kuwol-Dong Namdong-Ku
- Baran Technology Co., Ltd.
- Address:38-3 Eoeun-Li Jangan-Myun
- saekyung MnM
- Address:Yeoksamdong 751-10 samoh buil 7th floor Gangnam Gu
- Metal Korea Resourcd
- Address:Mapogu
- Resources & Co.
- Address:
- Da sung Industry co.. ltd
- Address:Paltan
- WAS CO., LTD.
- Address:Rm 505 , 3 Yonghyeon-ro, Deokyang-gu, Goyang-si
- metal recycling co., ltd
- Address:Room# 205 Hisensevill, 412-1, Sang-Dong,
- eBASE Co., Ltd.
- Address:Kyungjung B / D 2F, Seochodong 1554-1, Seochogu
- GSSE
- Address:# 518, 5f, Hana Plaza, 173-29, Yeomni-Dong, Mapo-Gu
- Copper Recycling Land
- Address:140 3f Samjung Samsung
- CRL
- Address:Samjung B / D 3f
- Town Mining Co. Ltd.
- Address:260 Gongdandong