... has not the big grain, main use silicon material (for example: coal ash, sand, stone dust and others), through making the ... foam. Next, put them into the curing room to concreting cutting steaming curing, last, there will bacome the light brick, ... per year.Equipments: stocking raw materials, mixing, molding, forming, cutting, evaporating and curing, crane cramp, transporting etc.,Detailed Product ...