This dataset is a market activity dataset, representing the aggregation of provincial 'magnetite concentrate' markets within the East China region of China, i.e., the 'magnetite concentrate' market group for the East China region. Transportation losses, transport vehicles, and transportation infrastructure are not included in this dataset, as they are covered in the respective provincial market datasets. The East China region of China includes: Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, and Shandong. Data references include the China Communications Yearbook, China Energy Statistical Yearbook, China Statistical Yearbook, and Customs Statistics from the General Administration of Customs, among others.