This dataset is a market activity dataset, representing a combination of provincial "iron ore" markets in the southwestern region of China, i.e., the "iron ore" market of Southwest China. The southwestern region of China includes Chongqing, Sichuan, Guizhou, Yunnan, and Xizang. Data sources include the China Communications Yearbook, China Energy Statistics Yearbook, China Statistical Yearbook, and customs statistics from the General Administration of Customs.