- Sam Kyung Altec Co., Ltd
- Address:144B-2L,Gojan-dong ,Namdong-gu
- Macawber Co.Ltd
- Address:A-304# 129, Soghyun-Dong, Dong-Gu Incheon, Korea
- Daeho Industries Ltd.
- Address:741-8,Wonsi-dong ,Danwon-gu, Ansan-si
- Sekyung Corporation
- Address:256-13,Rm1108, Jeil B/D,Gongdeok 2-dong ,Mapo-gu
- General Enterprise
- Address:
- F.I.G. CO LTD
- Address:Rm no. 504, Samsung Bldg. # 23-13 Deachang dong 1ga
- GITRANS
- Address:506, Dae Joo B / D, Sa dong, Joong Gu
- DEC ENGINEERING CORPORATION
- Address:4F Sangha B / D, 234-26, Nonhyeon-Dong,
- Eagon Window & Door Systems
- Address:967-3,Dohwa-dong ,Nam-gu
- Heartychem Corporation
- Address:Trade Tower Rm. # 1806 World Trade Center
- DEL TEX SCREENAgriculture.co.L
- Address:Guyang-ri, Neungseo-myeon, Yeoju-gun,
- keukdongmetal
- Address:222-13 Nae-dong Ohjung-gu
- Poong Jeon Nonferrous Metal co., ltd.
- Address:Gyeongseo-Dong 680-3
- maryliylimited
- Address:william rd
- Yunan Aluminum Co., Ltd
- Address:26-1 Daeneung-ri,Daeneung-ri ,Daegot-myeon ,Gimpo-si
- O-Yang Company LTD.
- Address:465-13, Pasu-ri, Haman-myeon
- Green metal co.,ltd
- Address:hyungok
- Sansun Aluminium Limited Company
- Address:Duz-is-gi
- Dongil Aluminium
- Address:jung-hun bldg, 944-1 dachi-dong
- DGK
- Address:Unit 203, Samgong B / D, 165-3, Bangi-Dong, Songpa-Ku