... 2. Processing of raw materials: Fly ash, sand or limestone is sent into ball mills by vibration feeders and ... 3. Aerated block ingredients, stiring and casting Flyash (or sand or stone powder )and waste slurrry are measured in measuring ... , 150000, 200000, 250000, 300000, capacity annually, including plant design, equipments installation, technical instruction, personal training, etc., and also we ...