1,waterproof, fireproof, sound insulation 2,easy to install, demolish and remove. 3,peaceful appearance ... less than 12m.certificateISO9001-2000characteristic 1, waterproof, fireproof, sound insulation, anti-corrosion, anti-septic, etc2,low maintenance cost3, long life time, can be ... -85386058Fax: 0311-85386057 YX35-125-750(V750)corrugated color steel sheet