Área minera de Fengfeng: Grupo Fengfeng
Wu'an: Xingxing Cast Pipe, Wenfeng Steel, Wen'an Steel, Xinshan Steel, Shengyuan Steel , Wanshan Steel Nian Mine (mina de carbón afiliada al Grupo Fengfeng), Huafeng China Resources Coal Chemical Power, Yuzhou Coal Chemical, Tuancheng Mining, etc.