This dataset is a market activity dataset, where each market represents a consumption mix of products within a specific region. The market covers producers and importers of the product within the same geographic area, considering transport to consumers and losses during this process.

Pig iron refers to the metal iron product obtained from the blast furnace smelting of iron ore, which is the primary product of iron ore smelting. Pig iron typically refers to the iron product from the blast furnace, with its main components being iron and carbon compounds. The carbon content in pig iron usually ranges from 2% to 4%. It also contains trace impurity elements such as silicon, manganese, phosphorus, etc. Pig iron is widely used in the metallurgical industry, applicable for manufacturing carbon steel, casting, steelmaking, and other fields.