摘要
On May 6,Chifeng City and Tongling Nonferrous Metals Group Holdings Co.,Ltd signed agreement over the copper smelting process upgrading project of Chifeng Jinjian Copper Company.Yang Jun,Chairman of Tongling Nonferrous Metals Group Holdings Co.,Ltd,Bi Lifu,official of Chifeng City,attended the the agreement-signing ceremony.Before the agreement-signing ceremony,officials of Chifeng City held talks with executives