... block making machine 1.potential industry in the future 2.low invest,high profit 3.professional manufacturer,good service AAC Block ... to make the concrete slop to expanding or swell,foam.Next,put them ... 70-80%.3.AAC block Advantages light weight Areated concrete density is usually 400 ... meters per year. Equipments: stocking raw materials, mixing, molding, forming, cutting, evaporating and curing, ...