Calcined Anthracite Market Size, Share, Opportunities, And Trends By Product Type (Electrically Calcined Anthracite (ECA), Gas-calcined anthracite (GCA)), By Application (Smelting, Electrode pastes, Water Purification, Other Applications), By End-user Industry (Aluminum, Iron and steel, Battery, Water filtration Others), And By Geography - Forecasts From 2024 To 2029