Lung Chung Village Luoxi major petrochemical engineering security monitoring network broadcasting system Group telephone door ..

Professional to do: security monitoring, access control attendance, broadcasting systems, PBX, campus radio, kindergarten shuttle systems, office equipment (printer / copier / fax machine rental service plus toner), Computers: repair reinstall the system network maintenance professional to do: security monitoring, access control attendance, broadcasting systems, PBX, campus radio, kindergarten shuttle systems, office equipment (printer / copier / fax machine rental service plus toner), Computers: repair reinstall the system network maintenance