DemirDöküm has participated in the Fuel Cell Expo 2007 which is one of the biggest fairs in the world in Japan. DemirDöküm, which introduced the Fuel Cell that it produced with TÜBİTAK under the laboratory conditions, Bipolar Plate, Membrane, Electro-catalyst and the first Prototype Stack Unit in 70 Watts power in the fair, has faced with the intensive interests of the firms especially from Korea,  Japan and Taiwan.

DemirDöküm authorities, who said that 462 firms from 15 countries have participated in the fair, except Japan, pointed out that the only participant firm from Turkey among those countries was  DemirDöküm. Fuel cells in the different types and capacities such as PEMFC, SOFC, DMFC, PAFC and Zn-Air, fuel cell components (bipolar plate, membrane electrode unit, gas diffusion unit and electro-catalyst), hydrogen manufacturing and storing technologies, fuel cell test equipment, sensors, fuel cell applications for automotive sector (hydrogen filling pumps and equipment, fuel cell applications in the bicycles, automobiles and buses), equipment which are used in the fuel cell cogeneration applications (pump, solenoid valve, reformer, gas moistening units, catalytic burner and PROX catalysts) and micro cogeneration units were exhibited in the fair. In the Fuel Cell Expo 2007 which is one of the biggest fairs on Fuel Cell technologies, the interests toward the products of DemirDöküm were beyond the expectation. DemirDöküm has also introduced its fuel cell studies which it executed with Tübitak Mam in this fair. It exhibited the fuel cell bipolar plate, membrane electrode unit, electro-catalyst and prototype fuel cell stack unit in the fair. Fuel cell membrane production and fuel cell modeling studies, which become the other stage of the Project, are currently carried out with Tübitak Mam. DemirDöküm also introduced its studies on designation of fuel cell micro cogeneration unit in cooperation with General Directorate of Electric Power Resources Survey and Development Administration, Tübitak Mam, İstanbul Technical University and Kocaeli University in the fair.

The Turkish heating sector's leader, DemirDöküm, which increases the number of countries where it exports its products up to 50 by adding Bosnia-Herzegovina, Azerbaijan, Switzerland, Japan and Macedonia in 2006, exports the panel radiator, cast radiator, kombi boiler, bathpan, water heaters and cast products to the geography from China to Chili.

DemirDöküm, which maintains its powerful position with wide knowledge and experience in the global markets, works in cooperation with DD Heating Ltd. in UK, France and Germany, DemirDöküm Rep Office in Russia, Dogguan Dei Chung Ltd and Tiajin Demrad Int. Trading distribution points in China.