This dataset is a market activity dataset, combining the provincial markets of Specularite ore in the northwest region of China, thus forming the northwest regions Specularite ore market group. Transportation losses, transportation vehicles, and transportation infrastructure are not included in this dataset; they are included in the provincial market datasets. The northwest region of China includes: Shaanxi, Gansu, Qinghai, Ningxia, and Xinjiang. 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.