... . The main material are the coal ash(accounting for 60%), cement, coal gangue, industrial taillings, ceramic powder and city waste, the ... kinds of new type wall body materials, such as hollow cement block, standard brick and so on.The cost of one ... -2021600-28800240×115×533015-2043200-57600 QT12-15 fully Automatic Concrete Cement Brick Making Machinery, paving brick making machine, curb brick machine ...