Dec 25, 2009, Beijing,--IPE successfully held the annual symposium for Key Issues for Energy Saving in Large-scale Chemical Metallurgical Process Project, sponsored by National 973 Program. Professor Suojiang Chen, the chief scientist of the project presided over the meeting. Dr Jinding Yan from Ministry of Science and Technology, Academician Wenquan Tao, Professor Yang Wang, Professor Shikong Sheng, Academician Yi Zhang, Academician Hongzhong Li, Professor Jianfeng Chen, Professor Xuemin Liang also attended the meeting.