- SNS TECH CO., LTD
- Address:105-1705 Haneulmaeul1danji, 101 Jungsan-ro ilsandong-gu
- Daeyoo Forging
- Address:Deoku-ri, Paltan-myeon,
- TOPTEK Co., Ltd.
- Address:#412, Techzone 2B1L, Yangchon IndustriaComplex, Hagun-ri, Yangchon-eup, l
- CHIN SUNG WORLD IND.CO.LTD
- Address:RIVER TOWER 506, YOUNGDEUNGPO-DONG 2GA, 94-119, YOUNGDEUNGPO-GU
- Young die casting
- Address:Seonam-Dong 223-613
- KOPECO CO LTD
- Address:1116, Ma-dong, Chungang Utong
- Sungjin Fo-Ma Inc.
- Address:357-72,Hosan-dong,,Dalseo-gu
- Jung-Il Ind. Ltd.
- Address:10-9 Banwol Industrial Complex,Wonsi-dong ,Danwon-gu, Ansan-si
- Lubo Industries Inc.
- Address:640-12,Gojan-dong ,Namdong-gu
- Ca Tech Co.,Ltd
- Address:Bucheon Techno Park 1-Danji,Samjeong-dong ,Ojeong-gu, Bucheon-si
- Dae Chang Metal Co.,Ltd
- Address:1508-5,Dadae-dong ,Saha-gu
- Sung Rhim T&T Co., Ltd.
- Address:1-47,Woram-dong ,Dalseo-gu
- Elim Co., Ltd.
- Address:787,Deogam-ri,Juchon-myeon ,Gimhae-si
- SINIL Co., Ltd.
- Address:492-2 Jukhyeon-ri, Gwanghyewon-myeon, Jincheon-gun
- NIB Materials Co., Ltd.
- Address:Palbok Dong 2ga 750-1, Jeonju Advanced Venture Complex 8-dong
- Kwang Myung Precision Co., Ltd.
- Address:100-173, Galsan-Dong
- HYUNDAI MEDICAL CO.,LTD.
- Address:202 Maesanri Opoup
- Shin Woo Metal Industrial Co.,Ltd
- Address:868,Dalsan-ri,,Jeonggwan-myeon ,Gijang-gun
- Keoyang Corporation
- Address:660-5,Seonggok-dong ,Danwon-gu, Ansan-si
- YEJOON MTS
- Address:# 512, 16-1, PALYONGDONG