Abstract: Yunan Dahongshan Iron Mine 1st phase 4 million t/a project composed of underground mining, mineral processing and piping engineering and Dahongshan Copper Mine 1st and 2nd Phase Projects have all been put into operation with very good technical level and construction results. Presently, both mines are under the design and construction for a capacity expansion. By the end of the Eleventh Five-Year Plan period, the total capacity of the mining area will reach 1.8million t/a. The paper describes the design and construction of Dahongshan mining area, the modern mining that is fully embodied through technological innovation and equipment innovation and the efforts and main achievements in realizing the maximization of the resource utilization, upsizing of the parameters and equipment, continuous transport and control automation and being friendly to environment.

Key words: Dahongshan, Ore field, Exploitation, Advanced, Innovation, Development, Harmonous