Group 1 - The company, Jinchengxin (603979.SH), has signed a contract for the construction of the northern mining section (N14-N25) of the Plang Copper Mine Phase I project with Yunnan Diqing Nonferrous Metals Co., Ltd [1] - The total contract duration is 2,557 calendar days, expected to run from February 6, 2026, to February 5, 2033, with the actual start date subject to the approval of the commencement report by the client [1] - The contract price is a comprehensive unit price contract, with an estimated total price of approximately 202 million yuan (excluding tax), with the final amount to be determined based on the actual completion of work and settlement [1]