It can be used in various processing processes of fine separation and recovery of copper and other useful metals. It is a highly efficient promoter of multi-metal spearation and has a strong collecting ability to copper, lead, molybdenum, gold and silver. Mainly used for the separation of copper(gold) and sulfur, copper and zinc sulfur, copper lead and zinc sulfur, copper molybdenum and sulfur, copper and nickel, lead and zinc sulfur, molybdenum and sulfur and other multi-metallic minerals.