Hollow Block Machine 1. Material: Sand, Cement, Aggregate 2. Usage: Hollow Block, Paving Brick 3. Tech ... Support ISO & CE Concrete Block machine, Cement Block Machine, Holow Block Machine (SINOSUN) China Block/Brick Making ... , concrete mixers, conveyor belt, concrete block machine, mould, cement scale, elevator, forklift truck, block making machine production line, automatic ...