One of the ore washing plants of the Taifeng mining company, located in the Huoyantu village. Toxic additives, such as xanthate, copper sulfate and black powder, are used in the plant. The sewage of the plant is discharged in the surrounding hills, creating huge tailing ponds and polluting the area with chemicals and toxic waste. 

太丰集团的一个选矿厂位于火焰土村内。选矿厂使用黄药、硫酸铜和黑药等有毒助剂；其污水、矿砂排放于山上，形成巨大尾矿库，而山上则乱堆着化学物品和垃圾。