Cement Brick Machine QT6-15 can be used to make concrete wall building blocks, porous bricks, pavement blocks, grass planting bricks used in parking lots and wares for water conservancy & hydrotechnics, etc. To give you a general idea of our machine: The time of the machine can run in one day is up to the work condition in your country. Under normal maintenance, one day 2 switches, 8 hours to 10 hours per switch is the ideal state.