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《世界有色金属》理事年会暨中国有色金属工业高层研讨会已于2007年9月11日在西宁市召开,并取得圆满成功。
The annual meeting of “Non-ferrous Metal Directors of the World” and the China Non-Ferrous Metals Industry Summit was held in Xining on September 11, 2007 and achieved great success.