With 24 years of successful presence in the field of fire and smoke control, the Gate of Nations Group is the only agent and leader in Iran, based on the goal of European technical knowledge and technology, it has been able to implement intelligent and integrated smoke control engineering and management systems in the country. and execute This collection is an exclusive agency and closely cooperates with German, Spanish, Portuguese and Canadian companies regarding all types of jet fans, exhaust and fan supply and smoke and fire resistant curtains and has highly specialized human resources who are proficient in BS standards and NFPA trained in Europe as well as having specially trained forces for leadership and holding more than 10 specialized seminars for consultants and practitioners of the high-ranking construction industry and firefighting organizations of the country, in order to take advantage of the latest technological and scientific achievements of the world and Also, with a significant investment in the preparation of a “super computer” to perform CFD with fire modeling, before any executive action in the buildings, we have convinced the country’s fire department to ensure the performance of the smoke control and management engineering system, and we have been able to take a step It is important to institutionalize the fire and smoke suppression system in a completely specialized way, in the design of floors, atriums, parking lots up to minus 15 and plus 30 floors, commercial, office, residential buildings, hotels, hospitals and other important resources. Good luck in the country. It is worth mentioning that we have achieved significant achievements in terms of localization, self-sufficiency and domestic mass production based on orders.