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