... from abroad. The main material are the coal ash(accounting for 60%), cement, coal gangue, industrial taillings, ceramic powder and city ... brick and so on.The cost of one block(For reference):Electricity 0.004 (11KW × 20Hour × 0.8 per degreee) ... ×115×901515-2021600-28800240×115×533015-2043200-57600 QT12-15 fully Automatic Concrete Cement Brick Making Machinery, paving brick making machine, curb brick ...