This dataset is a market activity dataset, representing a combination of provincial 'iron concentrate' markets within the southwestern region of China, forming the 'iron concentrate' market group for the Southwest region. Transportation losses, transport vehicles, and transportation infrastructure are not included in this dataset; they are covered in the individual provincial market datasets. The southwestern region of China includes Chongqing, Sichuan, Guizhou, Yunnan, and Xizang. Data sources include the China Transportation Yearbook, China Energy Statistical Yearbook, China Statistical Yearbook, and customs statistics from the General Administration of Customs.