Large-scale exhibition, CMPI-- present volume of transaction was over a hundred million. The China’s 2009 CMPI Metal Exhibition, hosted by Chongqing ZhongHuan Exhibition Firm, hold in Chongqing International Exhibition Center from April 19 to April 21, 2009.More than 400 well known enterprises, from17 countries and areas in the world, participated in the exhibition, of which the area reaches 15,000 square…