- CEST Co., Ltd.
- 2008.03: Establishment of the company - Development an external power saver for system control (power automatic control device) Registration A patent device - stabilization AND interception Completion developing instantaneous outage prevention device/an integrated /application multi-tap ….
- Address:5F-Namwon B / D, 965-2 Dangjung-Dong
- SUPERLOCK CO.,LTD
- SUPERLOCK develops, manufactures and markets access controls, time-attence control system, electronic locking devices security systems in KOREA. Superlock was founded 1990. brand products are channeled through wholesale distributors, integrators door hardware distributors. ….
- Address:96-1, Yangjaedong
- Exa E&C Inc.
- Address:212-8,Guro-dong ,Guro-gu
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