... from abroad. The main material are the coal ash(accounting for 60%), cement, coal gangue, industrial taillings, ceramic powder and city ... , standard 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 2011 hot!!! high efficiency and energy saving brick making machine