... forest resources;2. Well done for waterproof,mildew-resistant,corrosion-resistant,aging-resistant,anti-slip,less cracking and warping;3. Durable, ... 4.With natural wood grain and appearance,weather-suffering ability,resistant to immersion,freeze and melt,with long life expextancy; ... and conserve,to save maintenance cost 8.Fire resistance,flame retardant,extinguish away from fire,without toxic gas. 7 ...