- Songhwa Engineering Co.,Ltd
- Hepa filter unit, Clean room, Air Handling Unit, Air Shower, Clean Bench, Clean Booth, Air Control Unit, Pass Box, Gel Filter Unit, Clean Locker,Clean Tunnel Module System,cleanroom.
- Address:3DA-201-2, SIHWA INDUSTRIAL COMPLEX# 1276-11 JEONGWANG-DONG
- Mes Corporation
- Fine Screen & Approach,ENVIRONMENTAL PROTECTION,Waste Paper Recycling,AUTOMATIC CONTROL SYSTEM,PAPER PLANT,Pulper room & Coarse Screen,Paper Machine,Paper Machine.
- Address:123-5,Nonhyeon-dong ,Gangnam-gu
- ONLINE Electronic lock Co.,Ltd
- DouWin Lock,Electronic Lock,Hotel Lock,digital Lock,Smart Card Lock,hotel room light control system,household combination lock,access system,apartment RFID lock,fingerprint lock,hotel energy saving switch,touch screen switch,Magnetic card lock,safe,cabinet lock,,, ....
- Address:100-22 Youngun-Dong Sangdang-Gu
- Sung Sill Engineering Co.
- TV, telephone, radio, camera, door phone control, control room interphone).
- Address:188 Eungam-1Dong, Eunpyeong-go
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