- Handok Metal Ind Co., Ltd.
- Address:B-6, 2ND INDUSTRIAL COMPLEX, Gongdan-dong ,Gumi-si
- Kukje Diamond
- Address:38B 3L Namdong Industrial Complex 626-6 Namchon-dong Namdong-Gu
- 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
- LUBA Corporation
- Address:Hyundai 41 Tower Rm2004, 917-9, Mok-Dong, Yangcheon-Ku, Seoul, Korea.
- Changil Machinery Co., LTD
- Address:YOUWON O / T RN 1419, 474-80, BUJEON-DONG
- Je-Il Industry Co.
- Address:
- K-TECHNOLOGY, INC.
- Address:# 1603, Daerung Post Tower 5, 60-3, Gasan-dong, Geumcheon-gu,
- Buem Steel Co., Ltd.
- Address:Pohang Steel Industry 4Block, 187-6, 130 Dongkuk-ro, Ocheon-eup, Nam-gu
- YJT(YuJin Tech)
- Address:Room 1009, 103, Bucheon Techno Park SSangyong 3rd, 36-1, Samjeong-dong, Ojeong-gu
- Sultan Global Inc
- Address:Anyang International Plaza
- FIRST CORP
- Address:
- DaeMyong JungMil, inc.
- Address:74, Gunja-Dong
- Skytec Corporation
- Address:
- Sinsung Electronic Precision Co., Ltd.
- Address:136-1,Seogu-ri ,Dongtan-myeon ,Hwaseong-si
- modnmc
- Address:1155-2, Songhyun, Jillye
- osung
- Address:
- KUKDONG
- Address:393-3,Samnak-dong,Sasam-gu,PUSAN
- Coreshtech Ltd.,co.
- Address:100-36, Galsan-dong, Dalseo-gu
- Hasuh Industries Corporation
- Address:1066 Daepo-ri Dong-myeon