We (our company) produce and sell all types and caloricif of Indonesian steam coal. One of them is the following:Our Commodity : Steam CoalOrigin : South of Kalimantan, IndonesiaSpecification : As Parameter Basis Guaranteed Specification Rejection-Gross Calorific Value (ADB) 6,300 kcal/kg 12%-Ash Content (ADB) 10 - 12% > 14%-Volatile Matter (ADB) 38 - 45% > 45%-Fixed Carbon (ADB) By Difference-Total Sulfur (ADB) 0.6% > 1.0%-HGI 40 ? 50-Size 0 ? 50mm 90% (Min)-Gross Calorific Value (ADB) 6,300 kcal/kg