Product description: QTJ4-15A automatic hydraulic brick making machine use advanced electric control system and reliable hydraulic system, integrated of mechanical, hydraulic and automatic technologies, the operation is easy, and the functioning is reliable. The platform and mould pressing vibration, can make the air exhausting of the cement in only 2-3seconds, and the density of the bricks or hollow blocks can be enhanced quickly, especially suitable for high density bricks, and the bricks can be stacked immediately after formed, the using of pallets can be saved; Using the unique feeding system, cement, sands, stone particles, coal dusks, coal cinders, and ceramsite can be used to make all kinds of standard bricks, hollow blocks, floor bricks and other special products.