- Korea Alida Mesh Filter Ltd
- Address:No2 Industry Housing, 643-10, Youngtan-Dong, Chungju-SI,
- A1 Special steel
- Address:Somanggonwon-ro
- ACE TRADING
- Address:
- DONGKUK INDUSTRIES
- Address:Da dong 92, Seoul, Korea
- sejong heavy industries
- Address:706, western tower
- alvi trading company
- Address:205-6 jaksan dong
- SDR Stainless Co., Ltd.
- Address:374, Yangdang-Ri, Jiksan-Eup
- Sang Ho Ceramic Co.,Ltd
- Address:731,Daecheon-dong ,Dalseo-gu
- EnerGlobal(KO)
- Address:Flat / Rm 201 Golden Gate Comm. Bldg. , 136-138, Austin Road, Kowloon
- SAMIN CORPORATION
- Address:seoun-ro, seocho-gu
- Metal Korea Resource
- Address:ma-po
- CORE METAL
- Address:Nae-dong
- DSI CORPORATION
- Address:111-3 youngtaeri weolong
- Jung Do Cahemical Co., Ltd.
- Address:697-2 Gyeongseo-dong,Gyeongseo-dong ,Seo-gu
- Kyung Il Metal Co.,Ltd
- Address:632,Seonggok-dong ,Danwon-gu, Ansan-si
- hero future technology co.,ltd
- Address:tachidong 928-19
- banya engineering corp
- Address:Dongsin Bldg 301, #71-20, Cheongdam-dong, Kangnam-gu,
- CHUNKWANG IMEX CO LTD
- Address:247-218, Bangwha-Dong, Gangseo-Gu
- Dong Bong Carbon Co., Ltd.
- Address:38-8,Gujang-ri,Paltan-myeon ,Hwaseong-si
- P & C Corp
- Address:Rm101, B1fl. 338-7 Yatap-Dong Bundang-Ku Sungnam-City, Kyungkido, South Korea