ShenzhentheOBTPAtechnologyCo.,LTD.(www.obtsys.com)isastate-levelhigh-techindustrialcompanyintegratingR&D,productionandsalesofpublicbroadcasting,conferencesystems,professionalaudio,PagingMicrophone,wallfittedspeaker,outdoorwaterproofspeakerandotherproducts.
更新时间：2024-02-20 直链：www.obtsys.com
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