Act4energy participated at the 84th Thessaloniki International Fair (TIF) (September 7-15, 2019), receiving very good reviews as it presented a biological filter for odor control in sewers and wastewater treatment plants. The honored country was India, which is a rapidly growing economy and investment superpower, but also one of the largest markets in the world. The main TIF objective was to strengthen economic, commercial, investment and cultural relations between the respective honored country and Greece. High technology, innovation, agriculture and tourism are some of the areas of common interest between two countries.