Coal Mine Name Coal -type heat sulfur and coal price Beiwei Coal Mine Large 5600 0.55 660 Middle block 5600 0.55 680 80 yuan 5600 0.55 700 Four Nine Blocks 5600 0.55 700 Sanli Seed 5600 0.55 580 One triple seed 5400 0.55 550 Mansion and Coal 5150 0.85 540