This dataset is a market activity dataset, representing a combination of provincial-level 'hematite ore' markets within East China, forming the 'hematite ore' market group for the East China region. Transportation losses, transport vehicles, and transportation infrastructure are not included in this dataset; they are covered in the respective provincial market datasets. The East China region includes the following provinces and municipalities: Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, and Shandong. Data sources include the China Communications Yearbook, China Energy Statistical Yearbook, China Statistical Yearbook, and customs statistics from the General Administration of Customs.