The 7th Pyongyang Autumn International Trade Fair opened Monday at the Three-Revolution Exhibition. Present at the opening ceremony were Kang Sok Ju, vice-premier of the cabinet, Foreign Trade Minister Ri Ryong Nam, Pak Pyong Jong and other trade officials and foreign delegations and envoys. Speaking at the opening ceremony, Kim Mun Jong, director of the Korean International Exhibition Corporation, and Vice Foreign Trade Minister O Ryong Chol, said the fair played an important role in promoting economic and trade relations among countries and achieving common economic development. The Democratic People\'s Republic of Korea (DPRK) would conduct multifaceted cooperation with other countries based on the principle of equality and mutual benefit, they said. Companies from countries and regions, including the DPRK, China, Germany, Switzerland, Sweden, Austria, Italy, the Czech Republic, France and China\'s Taiwan region, are participating the exhibition. The fair will last till Thursday.