- NAM YANG Chemical Co Ltd
- Address:san135, Geumgok-ri, Jinieop-eup
- sungwon bobbin
- Address:pungmudong92-30
- Shinsung Electric Co.,Ltd.
- Address:870-5,DALSAN-RI,Jeonggwan-myeon ,Gijang-gun
- Sungsan Aluminum wire
- Address:
- Jin Sung Corporation
- Address:137-1,Ojeon-dong ,Uiwang-si
- Asan Precision Steel Co. Ltd.
- Address:564-1 Gajwa-dong,Gajwa-dong ,Seo-gu
- SE WOON
- Address:201-4, Gojeong-ri, Tongjin-eup, Kimposi
- Samkook Industrial Co., Ltd.
- Address:263-5,Gajwa-dong ,Seo-gu
- Netwave Co., Ltd
- Address:83-4 Dodang-dong, Wonmi-gu
- TRADIA CO LTD
- Address:B-27, 2nd Floor Coex 159 Samsung-Dong Kangnam-Ku
- DAEYANG ENGINEERING CO., LTD.
- Address:189-12 1 Floor, Daeyang Bldg, Wonnam-Dong, Jongro-Gu
- Hanshin RoboChain
- Address:2BA401-3, SHIHWA INDUSTRIAL COMPLEX, SHIHEUNG-SHI, GYUNGGI-DO
- Kopla Co., Ltd.
- Address:1352-5,Jeongwang-dong ,Siheung-si
- Tae Young S.E.M Co, Ltd
- Address:3Ba-206,Sihwa Industrial Complex,Jeongwang-dong ,Siheung-si
- Dong Sung Jin Heung Co., Ltd.
- Address:630-88, Jeongok-ri, Seosin-myeon
- D. S. Corp
- Address:#617, Mabuk-ri, Guseong-myun
- Newtec Rsi Co.,Ltd
- Address:7th fl., Dojin Bldg., 82 Guro-dong, Guro-gu
- Millotek
- Address:Fl 3, Daeyoeng Bldg., 22-3, Hyochang-dong, Yongsan-gu
- Fostec, Inc
- Address:FOSTEC B / D 703-33 Shinchon-dong
- Dae Young Industry Co., Ltd
- Address: