1.Energy efficient 2.Healthy,confortable 3.Various of patterns are available 4.Insect resistance 5.Quick and easy to install 1. Low cost: the surface painting is finished and installation time is very short; can be planed, sawed, nailed, and glued by yourself, 80% cost saved than using wood and concrete.2. Light weight: good resilience and tenacity, light and hard,.3. Entirely: classic, elegant ...