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