Steam Coal ( from Kalimantan) GCV 6300 - 6100 Kcal/ kg GCV 6000 - 5800 Kcal/ kg GCV 5800 - 5600 Kcal/ kg GCV 5500 - 5300 Kcal/ kg GCV 5300 - 5100 Kcal/ kg For detail information, price and term of payment please contact us : Mulyadi Widayat ( Owner) + 62 82143371067 widayat.mulyadi@ gmail.com mulya_dimanamana@ yahoo.com