- Sin Jin Precision Co.,Ltd
- Address:732-2,Ancheong-dong ,Gwangsan-gu
- Seki Precison Co.
- Address:615-28,Janghang-dong ,Ilsan-gu, Goyang-si
- K.C. Ltd.
- Address:1589-6,Songjeong-dong ,Gangseo-gu
- Sedae Enertech Co., Ltd
- Address:309-2,Bonsan-ri ,Jinyeong-eup ,Gimhae-si
- GIL Corporation
- Address:311 Sungjai Millenium# 543-1 Sang-Dong, Wonmi-Gu
- Sejin Electronics.
- Address:489-6 Galhyeon 2-dong, Eunpyeong-gu
- Dawon Electronic Corporation
- Address:Samgye-ri, Cheongbuk-myeon, Pyeongtaek-si
- Koco Silver
- Address:12,Mullae-dong 6-ga ,Yeongdeungpo-gu
- cheonbok machinery co,ltd
- Address:ojeonggu samjeongdong 32-11
- Samsung Fogger & Sprayer
- Address:331-101,Junghwa-dong ,Jungnang-gu
- Neo Technical System Co., Ltd.
- Address:945-4,Dugyo-ri,Juksan-myeon ,Anseong-si
- PHOSENTECH CO.,LTD.
- Address:1688-15, SHINILDONG, DAEDUCKGU
- Castec Co., Ltd.
- Address:1682-6,Sinil-dong ,Daedeok-gu
- Bogo Trade
- Address:481-11,Gasan-dong ,Geumcheon-gu
- HANMI INTENATIONAL CO,LTD
- Address:Yeongdeungpo-gu
- Kodo Technical Research Co.,Ltd
- Address:10-1, Yu-Ri, Bongdam
- World Cruiser Co.,ltd.
- Address:45-1,3-ga, Dongkwang-dong, Jung-gu
- Seondo Electric Co., Ltd.
- Address:734,Wonsi-dong ,Danwon-gu, Ansan-si
- JiHo International Co.,Ltd
- Address:5-102,Sinsa-2Dong
- Korea Carbon Black Co.,Ltd
- Address:350,Wollae-dong ,Yeosu-si