HongCheng Wall Tile is a light flexible wall tile,which is self-developed by Hongcheng enterprise,It is made out of firberglass mat,the surface is coated by granules imbedded in asphalt, The asphalt is protected from the sun's uv light by granules pressed into the tile whileit is hot(and soft),The granules are are 1 millimeter-sized stones(e.g.,of crushed granite),which are coated with an inorganic silicate material. The coating contains microscopic pigment particles,similar to those used in paint,to provide color