GAD specializes in distributing and providing Total Solutions for Siemens PBX systems: - Consulting, designing and deploying telephone systems for businesses, factories, buildings, hotels, agencies, specialized telephone information systems for Furnaces, Dispatching Systems, Information Operation Systems,... - Maintenance, upgrade, supply of spare parts for call center systems GLOBAL TECHNOLOGY APPLICATION AND DEVELOPMENT JOINT STOCK COMPANY (GAD) Website: http://www.gad.vn Email: info@gad.vn Hotline: 0904244770