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The article presents information on the discovery of the Dugupi-Maanshan mine in Weishan County, Yunnan Province in China. Among the discoveries consist of several individual mines found in the steep hillside of the Yangbi River. It also reveals the specimen of minerals produced in the area such as aragonite, calcite, fluorite, stibnite, secondary antimony minerals and other metals. Photographs of the minerals found in the mining site is also presented.