Double flame positive color Receptionist polyester On the surface of the surface of the glass, the surface of the metal is regenerated, and the surface of the surface is covered with a waterproof material, and the water repellency is characterized by the mechanism of the adhesion of the glass, and (1) the ability of the glass to be incorporated into the surface of the metal, and (2) the ability to carry out the inherent performance of the material is very high MHz 3 GHz The quality of the material is excellent in the presence of a good screen, and (3) the performance of the flexible polymer material for the purpose of unevenness, the performance of the suspension of the compound material, the characteristics of the anti blocking performance of the compound, and (4) the light shielding, the antifreezing, the preservative, and the finger.