We have three different mining company in indonesia. Our commodity are iron sand and steam coal. Two company for two different mining location for Steam coal (South Kalimantan and West Sumatera) and one company for iron sand(East Java). GCV 5300-6000Kcal/kg for steam coal from Kalimantan and GCV 6100-6500kcal/kg for stam coal from Sumatera. For detail please contact us.