This dataset is a market activity dataset, combining the provincial markets of Specularite ore in the southwestern region of China, thus forming the southwestern regions Specularite ore market group. Transportation losses, means of transportation, and transportation infrastructures are not included in this dataset, as they are contained within each provincial market dataset. 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 Statistics Yearbook, China Statistical Yearbook, and General Administration of Customs statistical data, etc.