State leaders Hu Jintao and Wen Jiabao visit the CNHTC Engine Reproducing exhibition.

China International Power Saved, Emission Reduced and New Energy Technology Exposition were held. Party and State leaders Hu Jintao, Wu Bangguo, Wen Jiabao, Jia Qinglin, Xi Jinping, Li Keqing, He Guoqiang and Zhou Yongkang visit the China National Heavy Duty Truck Engine Reproducing Power Saved and Emission Reduced products. State Leader Wen Jiabao and Wan g\Gang even go beside the exhibition and inspect their work.