On Apr 8, the Signing Ceremony on Chongqing-Shandong Economy and Trade Cooperation was seriously held in Chongqing. Member of Political Bureau of the Central Committee of the Chinese Communist Party and secretary of Chongqing Municipal CPC Committee Bo Xilai, governor of Chongqing Municipal Government Huang Qifan, secretary of Shandong Provincial CPC Committee Jiang Yikang and governor of Shandong Provincial Government Jiang Daming attended the Ceremony On the Ceremony, chairman of Sinotruk Group Ma Chunji and deputy director of Chongqing Economic Development Zone Wang Mingying signed cooperative agreement on the implement of technical renovation project of heavy truck fuel spray system in Northern New District of Chongqing City. Deputy secretary of CPC Committee of Sinotruk Group Wei Zhihai attended the Activity.