In February 2017, Tomislav Magić, as a representative of the MI MARIS company, visited the headquarters and factory of the VIESSMANN Group, one of the world’s leading manufacturers of heating, industrial and cooling systems. A visit to the headquarters and factory of the VIESSMANN Group in Germany was organized by VIESSMANN Croatia for the representatives of Croatian companies and experts in the energy field. During the 2-day visit, the host company organized a tour of production plants and professional seminars on new products, their manufacture and application.