This range of machines come with 2 models : CBM300 ( semi automatic - operation handle control ) and CBM300A ( semi automatic - PLC control ). It is hydraulically operated and uses vibration and hydraulic compaction to form cement bricks, sand bricks, concrete blocks, hollow blocks and interlocking pavers. Model CBM300 is completed with sand hopper, gravel hopper, belt conveyors, pan mixer, automatic pallet feeder, hydraulic control unit, hydraulic operation handles, chain conveyor and gantry cranes, while Model CBM300A is completed with similar items but added with PLC controller. Mould for various sizes and designs of bricks / blocks can be supplied according to customers specifications and requirements.