... .23M 2.Capacity:30 million-120 million pieces/year brick making machine,Baking-free brick machine is a new type of wall body materials ... from abroad. The main material are the coal ash(accounting for 60%), cement, coal gangue, industrial taillings, ceramic powder and city ... , such as hollow cement block, standard brick and so on.The cost of one block(For reference):Electricity 0.004 (11KW × 20Hour ...