This dataset is a market activity dataset, comprising a combination of provincial "iron concentrate" markets within the northwestern region of China, forming the "iron concentrate" market group for the northwestern region. Transportation losses, transportation vehicles, and transportation infrastructure are not included in this dataset; they are covered in the respective provincial market datasets. The northwestern region of China includes the following provinces: Shaanxi, Gansu, Qinghai, Ningxia, and Xinjiang. Data references include the "China Communications Yearbook," "China Energy Statistics Yearbook," "China Statistical Yearbook," and customs statistics from the General Administration of Customs.