1. Capacity: 50, 000 ~300, 000 m3/y; Based on 300 working days/year, 2 shifts/day; 2. Raw material: sand(fly ash), cement, lime, gypsum, aluminum powder; 3. Fuel: coal, natural gas, diesel or heavy oil; 4. Product dimension: Length: 600 Width: 60~360 or 50-250 Height: 200, 240, 250, 300 The other dimensions can be designed according to the special requirement from clients. 5. Product quality standard: The product is in conformity with standard of grade b05~b08 stipulated in gb/t11968-2006. 6. Main production process: A. Raw material storage&treatment B. Mixing&casting C. Cutting&grouping D. Steam curing&leaving autoclave E. Motherboard returning & treatment.