- Hyun Dai Ki Gong Co., Ltd.
- Address:1011,Geolmae-ri,Inju-myeon ,Asan-si
- chemical & resources limited.
- Address:songlimdong
- Sunrex Broach
- Address:132-3, Nae-dong, Ojeong-ku, Buchoncity, Kyunggi-do, Korea
- JUMON TECH CO., LTD.
- Address:Kimpo
- HITRA Corporation
- Address:
- ILSHIN COPPER PIPE
- Address:SUNGGOK-DONG604-1
- Dasan Industrial Co., Ltd.
- Address:668-1,Seonggok-dong ,Danwon-gu, Ansan-si
- TAESEUNG COPPER ALLOYS INC
- Address:605-401 Bucheon Techno Park III
- TK Metal Co., Ltd
- Address:301 Samsan-dong
- Soosuk Metal
- Address:Seoul, Yangchon-Gu, Sinjung Dong E-Starville B Dong 708
- Eldorado Resources
- Address:20 Ohjung-Dong Daeduck-Gu
- Trocellen S.E.A Sdn Bhd Formerly know as Facell Foam Sdn Bhd
- Address:
- ACE TRADING
- Address:
- DSI CORPORATION
- Address:111-3 youngtaeri weolong
- CHUNKWANG IMEX CO LTD
- Address:247-218, Bangwha-Dong, Gangseo-Gu
- Forever-metal Group Corp.
- Address:contact info@forever-metal. com / 269-8, Gyereuk-ri, Miyang-myeon
- KTT EDM TUBE
- Address:fusai
- Kolon I`networks corp
- Address:Gasan dong Lotte center 9F
- SUNNY - L Corporation
- Address:101-133 Sanggye-Dong, Nowon-Gu
- Big Star Electric Co., Ltd
- Address:166-8,Simi-dong ,Gumi-si