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Subversion - the ultimate challenge of quality

  • Welcome to our website

    Welcome to our website

    2017-08-26

    A & D, the"Advance and Develop"Audio Company (HK) is a manufacturer of professional speakers since it was established in 1990. We set ou...

  • A & D is a business partner that you can trust and rely

    A & D is a business partner that you can trust and rely

    2017-08-22

    All of speakers contribute from A & D are ideal professional products. We provide after-salel service worldwide. A & D is a business par...

  • Sound knowledge popular

    Sound knowledge popular

    2017-08-22

    The combination of sound is precisely that manufacturers introduced the overall sound set machine, its function as complete as possible,...

  • Welcome to our website
  • A & D is a business partner that
  • Sound knowledge popular
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