changyeh & co.int'l

We are the specialist in art audio/sound products design, OEM / ODM is welcome. and we going to developing the cymatics sound system products for the next generations. We also provide the A/V system engineering projects services.
Telephone:852-24471767 Address:T. M. factory center.

Metamorphosis Multimedia Entertainment Group Limited

Telephone: 852-31663936 Address:IncuTrain Centre, Rm 26, Unit 518, Core F, Cyberport 3, 100 Cyberport Road
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