- Kieco
- computers, Software, Data Communication&Mobile Computing Services,Network and Communications Eqipment, Chips, Peripherials,Components Internet,etc.
- Address:159-1 samsung-dong gangnam-ku,
- nSYSTechnologies co,ltd
- IC Chips, Data Communications, Modem Chip, Bridged Chip,Broadband access over phone line,Home Network System.
- Address:1301, Mario Tower, 222-12, Guro-Dong
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