9月19日，中国商务部与世界贸易组织、联合国贸发会议、经合组织联合举办的全球价值链国际研讨会在北京举行。中共中央政治局委员、国务院副总理王岐山出席开幕式并致辞。新华社记者 鞠鹏 摄   On September 19,China's ministry of commerce and the world trade organization/United Nations conference/The oecd global value chain, jointly organized the international conference held in Beijing.Member of the political bureau of the central committee of the communist party/Vice premier wang qishan attended and addressed the opening ceremony.Xinhua news agency reporters JuPeng perturbation