- SD Engineering Co., Ltd.
- Address:# 282 Bundang Posvill. 156 Gumi-Dong, Bundang-Gu
- GUE Co., Ltd.
- Address:Bonri-ri Nongong-eup, Dalsung-gun
- Green Sensor Co, Ltd.
- Address:203-803 B / L Technopark 192 Yakdae-Dong, Wonmi-Gu
- The Sun Industrial Co. Ltd.
- Address:Garak-Dong
- Tokyo Keiso Korea Co., Ltd.
- Address:46,Yangpyeong-dong 3-ga ,Yeongdeungpo-gu
- Scanjet Macron
- Address:246-8, Dalsan-ri, Jeonggwan-myun
- Hanseo Precision Meter co.,ltd.
- Address:
- Kumyong Yamato Scale Co., Ltd.
- Address:694-14,Gojan-dong ,Namdong-gu
- Flow Technology Co., Ltd
- Address:Lionsvally A-607,Cheongcheon-dong ,Bupyeong-gu