- Duckwoo Won, Inc.
- Address:556-14, Janghang-Dong, ILsandong-ku
- SM Rope & Wire Co.,Ltd.
- Address:#539,614-33,guro-dong,guro-gu,seoul,korea
- LG INDUSTRY
- Address:2126-4 Hwabuk 1-dong
- Korea Automatian Technology Co.,Ltd.
- Address:#809, Daeryung Techno town 3,Gasan-dong ,Geumcheon-gu
- K.C. Ltd.
- Address:1589-6,Songjeong-dong ,Gangseo-gu
- Sedae Enertech Co., Ltd
- Address:309-2,Bonsan-ri ,Jinyeong-eup ,Gimhae-si
- Jumbosonn Corp.
- Address:201, Yangpyeong-Dong 4-ga, Youngdungpo-Gu
- Bmps Corporation Co., Ltd
- Address:1f,608-6, Sang2-dong
- Dong-A Electric Instrument Co
- Address:154-2, Yanggok-ri, Yangchon-myun
- PROS-MENO CO., LTD
- Address:104-2 GURODONG
- Alchan
- Address:
- ISOTEC CORPORATION
- Address:1110, Hyundai Venture Ville 713, SUSEO-DONG, KANGNAM-KU,
- Hanil Chemical Rubber Ind Co., Ltd.
- Address:1402-8,Juan 5-dong ,Nam-gu
- M&S Technology Co.
- Address:498, Dangha-dong, Gangseo-gu
- TMD
- Address:104-603, Hangyang A. P. T. , Seodaemoon-Ku
- Korea Measuring Instrument
- Address:54-3, Gokbanjeong-ro 19beon-gil, Gwonseon-gu, Suwon-si, Gyeonggi-do, South Korea
- Jung Myung Communications & Technology Co., Ltd.
- Address:87-9,Yangjae-dong ,Seocho-gu
- younchal bae
- Address:2F 991-11 ingye-dong, paldal-gu,
- Daebong Inc.
- Address:424-1, Janghyeon-ri, Jinjeop-eup
- Young Nam Ind Co., Ltd.
- Address:452, Naein-Ri, Sanin-Myeon,