April 26 (SeeNews) - Etem Gestamp, a joint venture of Greece's Etem Group and Spanish automotive components manufacturer Gestamp, will invest this year in expanding its capacity for extruded aluminium components in Bulgaria under the largest contract in its history, an ongoing project for a major German car manufacturer, Emmanouil Fountoukis, general manager of the company and chairman of the board of directors of Automotive Cluster Bulgaria, told SeeNews.