- Daeyoo Forging
- Address:Deoku-ri, Paltan-myeon,
- CHIN SUNG WORLD IND.CO.LTD
- Address:RIVER TOWER 506, YOUNGDEUNGPO-DONG 2GA, 94-119, YOUNGDEUNGPO-GU
- Sungjin Fo-Ma Inc.
- Address:357-72,Hosan-dong,,Dalseo-gu
- Lubo Industries Inc.
- Address:640-12,Gojan-dong ,Namdong-gu
- Sung Rhim T&T Co., Ltd.
- Address:1-47,Woram-dong ,Dalseo-gu
- Jsb
- Address:Gurobon-dong
- Kns Int Co., Ltd
- Address:#202,Gajwa 1-dong ,Seo-gu
- WON ST CO., LTD.
- Address:114, Gasan Digital 2 Road, KeumChun Gu
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