This dataset is a market activity dataset, representing the combination of provincial 'limonite ore' markets within East China, i.e., the 'limonite ore' market group for the East China region. Transport losses, transport vehicles, and transport infrastructure are not included in this dataset; 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 sources include the China Communications Yearbook, China Energy Statistics Yearbook, China Statistical Yearbook, and customs statistics from the General Administration of Customs.