Recently, BASF visits CINF and communicates on the technology of tailings curing process. With the spreading idea of constructing green mine, the tailings curing dryway stacking becomes the development trend. In the meeting, both sides have further discussed the technology of adding chemicals in tailings for curing and dryway stacking to realize watersaving, environmentalfriendly and safe tailings disposal process. After the meeting, CINF engineers keep company with BASF engineers to visit the Yanchonggou tailings storage facility of Shizhuyuan Nonferrous Metals Co., Ltd, the highest dam in Hunan province.