This dataset is a market activity dataset, representing a combination of provincial 'specular hematite ore' markets within the Southwest region of China, i.e., the 'specular hematite ore' market group for the Southwest region. Transportation losses, transportation vehicles, and transportation infrastructure are not included in this dataset; they are covered in the respective provincial market datasets. The Southwest region of China includes: Chongqing, Sichuan, Guizhou, Yunnan, and Xizang. Data references include the China Communications Yearbook, China Energy Statistics Yearbook, China Statistical Yearbook, and General Administration of Customs Customs Statistics.