Shanghai Chengyun industrial&trade Co.,Ltd

We company located in downtown areas in shanghai with convenient
traffic. we deal in and manufacture loudspeaker.Our production
extensivly used in auto audio,home theatre as well as other concerned aspects.
Be well up in technical respect,also have powerful development compacity.
Leave no efforts to serve the customer according to your personal request.
   There is a effective professtional team with high quality,administrate
firmly in terms of the standard of ISO,with normative techical process and
scientific check and measure method to guarantee the high quality of each
production.
   The core value is"Innovation,Advance,Perfact".Promise sincerely,fulfill
perfectlly,forever provid the best to you!