PET, PVC, PC smooth surface/ sand surface. It is a good waterproof, dust proof, anti-oil, anti-erosion of harmful gases, performance is stable and reliable, light weight, small size, long life, Panel may sink, a character from injury, rich colors and aesthetic advantages generous PET, PVC, PC smooth surface/ sand surface. It is a good waterproof, dust proof, anti-oil, anti-erosion of harmful gases, performance is stable and reliable, light weight, small size, long life, Panel may sink, a character from injury, rich colors and aesthetic advantages generous