PYRAMID VIETNAM Supplying and installing IP PBX system Provide installation of PA + audio conferencing system. Supply and installation of CCTV system. Supply and install sound system fire alarm, burglar alarm. Supply and installation of smart dump system, automatic ticket control system. Supply and installation of building management control system. Supply and installation of access control systems and timekeeping Supply and installation of LAN, WAN system. Supply and install Wifi system wide for buildings, resorts, cities ... Supply and installation of air conditioning system Supply and installation of power protection system Supply and installation of LED lighting system Supply and installation of FTTH GPON all-optical network Supply and installation of fiber optic systems Supply and installation of DATA CENTER system