... 1.Fire-proof,water-proof,aging-proof,anti-earthquake,anti-crack. 2.low cost. 3.good quality. 4.look like wood door. ... products have a "five anti-performance", that is, fire prevention, waterproof, shockproof, anti-aging, anti-crack and ... of our products have following advantages:1 Fire-proof,water-proof,aging-proof,anti-earthquake,anti-crack.This is ... down the construction cost. Five-proof suit door