- Metal Hub Co.,
- Address:# 35-332, IIGT centre, 129, Songhyun-Dong, Dong-Ku,
- Doori Company Ltd
- Address:3F, 95-16 Gugi-Dong
- BZJ Trade company
- Address:1450 songjeong-dong
- GNS Corporation
- Address:31-303, 294bunji, Songlim-Dong, Dong-Gu
- SELAH TECH CO.,LTD
- Address:# 428-1, Haechang-ri, Godeok-myeon
- all nation company
- Address:Partanman Youllanml
- C&P Gro Business Corp
- Address:449-1, yealmiri, Shilchonup,
- JS Service
- Address:Jangeuntower No.404 Gwangdukdaero 187
- Sahmyook Co., LTD
- Address:126-2 Jinjuk-ri, Cheongso-myeon
- Gaon International
- Address:573-29 Pung-Dong, Ilsandong-Gu
- BECS
- Address:7Fl, Kumkang Bldg, 14-35
- Chunha Corp.
- Address:KoreaSeoul 2F 814 Shihung-Dong, Kumchun-Gu
- Seoyoon Re-Tech
- Address:#488-338, Dabshipri-dong, Dongdaemoon-Ku
- GDR TRADING
- Address:
- Hansuk Petrochemical Co.,Ltd
- Address:161-9,Deok-ri,Bongdam-eup ,Hwaseong-si
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