This dataset is a market activity dataset, combining the provincial markets ofiron concentrate within the southwestern region of China, thus forming the market group ofiron concentrate in the southwestern region.Transport losses, transport vehicles, and transport infrastructure are not included in this dataset; they are included in the provincial market datasets. The southwestern region of China includes: Chongqing, Sichuan, Guizhou, Yunnan, and Tibet. Data reference sources include the Year Book of China Transportation & Communications, China Energy Statistical Yearbook,China Statistical Yearbook, and the General Administration of Customs statistical data, etc.