- Gretech Corporation
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- IPOP,Movie player development,Gamio.
- Address:891-54 Daechi-dong,Daechi-dong ,Gangnam-gu
- Con&Com Co.,Ltd.
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- Wireless Karaoke,Multi DVD KARAOKE PLAYER,Handy Type Karaoke,Wireless Karaoke,Handy Type Karaoke,Accessories,MOVIE KARAOKE,MOVIE HANDY KARAOKE,Handy monitor,Cigar Jack,HDD KARAOKE PLAYER,WIRE HANDY KARAOKE,WIRELESS HANDY KARAOKE.
- Address:407 room, 2nd town. dae ryung techo, 569-21, ka san-dong keum chun-ku
- DVD Heaven
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- Online DVD retail service, korean movie and music DVD,DVD, VCD Player.
- Address:Guui-dong 221-6,202
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