- HanSum Korea
- Address:C-2003 CENTROAD
- Weld Korea
- Address:Siwha Machinery Complex# 5-514
- Samhan System Co.,Ltd.
- Address:291-179,Sindorim-dong ,Guro-gu
- TAEWON PRECISION CO.
- Address:# 176-8, Gangdong-dong,
- Jo Eun Weld. Inc
- Address:10-1020 shihwa machinery complex jung wang dong
- Withwin Co., Ltd.
- Address:60-19,Gasan-dong ,Geumcheon-gu
- Orion Metal Ind. Co., Ltd.
- Address:158 Gongdan-dong,Gongdan-dong ,Gumi-si
- Nambang F.C Corp.
- Address:97,Ungyo-ri ,Dunpo-myeon ,Asan-si
- SAMHWA NON-FERROUS METAL CO LTD
- Address:B10-60, 779-9, Wonsi-Dong, Danwon-Gu
- Evergreen Moolsan Corp.
- Address:156,Jeokseon-dong ,Jongno-gu
- DHS CORP
- Address:gamjeon-dong 123-10 4F
- Han Kil Precision
- Address:1581-1,Songjeong-dong ,Gangseo-gu
- EST Int'l
- Address:139 Yetsintanjin-gil
- Chowel Corporation Ltd.
- Address:395-3 Mongnae-dong,Mongnae-dong ,Danwon-gu, Ansan-si
- Exso Co., Ltd.
- Address:20, Yutongdanji-1ro, 132beon-gil
- Kyung Nam Precision Co.
- Address:719-35,Hakjang-dong ,Sasang-gu
- SAM SHIN INT
- Address:# 303, 738-1 Daerim-dong, Yeongdeungpo-gu
- Hyosung D & P Co., Ltd.
- Address:153Block, 2Lot, Namdong Industrial Complex, Namdong-Gu, Inchon, Korea,
- DONG iL CERAMiCS CO.,LTD.
- Address:No. 309-3, Samgae-Ri, Pogok-Myeon, Yongin-City, Kyonggi-Do, Koreazip Code: 449-810
- Kumkang T.O.M Co., Ltd
- Address:3F, 8/3, 168-4, Yonji-dong