This dataset is a market activity dataset, representing a combination of provincial-level 'specular hematite ore' markets within the northwestern region of China, forming the 'specular hematite ore' market group for the northwest region. Transport losses, transport vehicles, and transport infrastructure are not included in this dataset; these elements are covered in the respective provincial market datasets. The northwestern region of China includes the following provinces: Shaanxi, Gansu, Qinghai, Ningxia, and Xinjiang. Data sources include the China Communications Yearbook, China Energy Statistical Yearbook, China Statistical Yearbook, and customs statistics from the General Administration of Customs.