Since its establishment, it has been successful in its projects without sacrificing quality and customer satisfaction, it continues its services as a growing family with its expert engineers, all employees, customers and solution partners, and it also carries its goals further. World class; Having quality system certificates such as ISO 9001:2015, EN 1090-1: 2009 + A1.2011, (EXC3) EN1090-2: 0-2008, DIN EN ISO 3834 - 2, OHSAS 18001: 2007, ISO 14001: 2015 " DEM YAPI A.Ş "carries out its R&D studies, human resources, project and quality management, production and assembly processes, high occupational safety standards and seamless customer relations understanding, with a dynamic structure that adheres to corporate governance principles.