Under the unified deployment and guidance of Chalco Group and China Copper, and with the support of customs authorities and local governments at all levels, as well as the joint efforts of China Copper International Trading Co., Ltd., the smelters affiliated with Yunnan Copper Co., Ltd., and Changsha Design & Research Institute, the copper concentrate blending project of China Copper (Tangshan) Minerals Co., Ltd. (hereinafter referred to as China Copper Tangshan) was successfully put into operation at 20:30 on June 25th, commencing the first batch of copper concentrate blending production, which marked the full smoothness of the bonded ore blending business process.