... red, Gray, TephrosiousGuarantee Period15~20 yearsCharacterLight in weight, heat insulation, water resistant, green and environmentalUsevarious roofs and walls referring ... large theaters, the 2008 Olympic Games venues. Building roof, floor and wall board type power and connect more ... -manganese alloy plate, titanium plate, stainless steel, etc. R & D, greatly enhanced the level of applied technology of ...