... Materials: crushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, gravel, perlite, and other industrial wastes.Applied Products:concrete blocks ... : 1. Fully Automatic; 2. Semi Automatic; 3. Simple1. Fully-Automatic Production Line: Automatic Scaling and Batching, Automatic Mixing, Automatic Moulding/Block Producing, Elevator ...