Undersecretaries of Commerce Ministries of Gulf Cooperation Council (GCC) states concluded here today their 30th meeting to prepare for the GCC commerce ministers due to be held in Jeddah on September 11, 2008. The meeting discussed topics relating to acceleration of trade performance, removal of obstacles from the march of the joint action, the report of the GCC Secretariat General on obstacles to trade exchange and the phenomenon of rising food prices.