... materials which instead of woods and steels. Comparing to woods, it has many advantages, light-weight, flexible, anti-flame, alkaliacid resistance ... and so on. The board can be filmed or printed colorfully. It owns many ways of processing such as nailing,sawing,planning ... , vandal proof, and can be shaped, moulded, painted and screen printed. 4. non-warping and stain proof. 5. non-corrosive, non ...