... construction 3Anti-earthquake 4Sound insulation 5Lightwight Low cost prefabricated house /cement wall panel (Manufacturer)is a kind of light weight energy ... silicon board or cement calcium silicon board as panel, with cement, EPS, fly ash as fillers and forming by one ... 75, 90, 100, 120, 150 and 180mm Material:Cement ,eps,fly ash(sand),calcium silicon board. Characteristics:Energy-saving, lightweight ...