- Young Heung Corporation Ltd.
- Address:RM139,ANSUNGSANG GA B/D,410-13,Sindorim-dong ,Guro-gu
- Curon, Inc.
- Address:293,Wonsan-ri ,Haseong-myeon ,Gimpo-si
- Sun-Il Leak & Flow Co., Ltd.
- Address:26-1,Bangchon-dong ,Dong-gu
- EXPEC CO.,LTD.
- Address:785-12, Wongok-Dong, Danwon-Gu
- Korea Flowcell Co., Ltd.
- Address:376-6,Cheongcheon 1-dong ,Bupyeong-gu
- Daehan Gm Corporation
- Address:145B-6L, Namdong Industrial 2area, 717-7, Gojan-dong, Namdong-gu
- ECUBE INC
- Address:689-6 Geumjeong-dong
- Code Instruments,Inc
- Address:
- YSU
- Address:Junamdong 112-5
- Daejung Engineering Company
- Address:248-8 Suyu-2dong, Gangbuk-Gu
- digital flow Co.,Ltd.
- Address:# 238-4, Sajik-dong, Heungdeok-gu,
- DAEMYOUNG I&T CO LTD
- Address:Daerung techno Town 6-808ho
- SHIM SEUNG HUN
- Address:1, Sangni-ro, Yeongdo-gu
- Daehan Instruments
- Address:Muharo 36
- Daero Co., ltd
- Address:545-19, Janghang-dong, Ilsandong-gu
- Aeft Tech
- Address:843, Iteco, DucPung-Dong
- FLSTRONIC
- Address:
- Keuk Dong Ki Jeon
- Address:
- Sejin Hyd.M.f.g Co.
- Address:76-6,Geumsa-dong,Geumjeong-gu
- TMS KOREA CO LTD
- Address:345 Dongbu-ri, Jain-myeon