This dataset is a market activity dataset, representing a combination of provincial 'hematite concentrate' markets within the Northeast region of China, forming the 'hematite concentrate' market group for the Northeast region. Transportation losses, transport vehicles, and transportation infrastructure are not included in this dataset; they are covered in the respective provincial market datasets. The Northeast region of China includes Liaoning, Jilin, and Heilongjiang. Data references include the China Communications Yearbook, China Energy Statistical Yearbook, China Statistical Yearbook, and customs statistics from the General Administration of Customs.