block machine 1)ISO9001,high quality, High reliability, 2)hollow block machine 3) Long service life 4)15 years history AUTOMATIC CONCRETE BLOCK MACHINE XH08- ... place, fault diagnosis and system upgrade. and save labor.2. This production line is matched with color- layered ... needs in the market, such as hollow block ,standard brick, interlocking bricks, roadside block, bricks for square, yard, blind ...