The Secretary General of the Chamber of Commerce and Industry in the Eastern Province Abdulrahman Al-Wabel opened here today German Catalog Exhibition at the Chamber's headquarters. The opening ceremony was attended by Commissioner of German Industry and Trade to the Kingdom of Saudi Arabia and Yemen Andreas Hrzinrotr who said in a press statement that more than 400 German companies are operating in Saudi markets in partnership with Saudi businessmen within the framework of distinctive trade relations between the two countries. He said that the volume of bilateral trade amounted to $ 8.5 billion in 2010.