Ceo-pa is a professional and manufacture ,design broadcast system and connection equipment factory. It pasted ”ISO 9001” and ”CCC”,”CE” safety standerd and certification. Our produdction is widely for use all over the world and set up ”Ceo-pa” brand . Our main production is NCX （ Net Communlcation Xmod ）PA System，Safety Broadcast System, Multi Audio Broadcast System,and connection equipment,panel,such as speaker（ceiling, hang, column）, amplifier,audio source.argent peripheral,Volume Controller ,Carbinet/Accessories etc. It is widely to use in Public area, such as garden ,the open space ,intelligent buildings/ hotel ,factory, school area, mine and Bank etc.