... of interior walls/ceilings/bathrooms/kitchens and balconies (4)Shop door decorations (5)Advertisement board display platforms and signboards (6)Wall ... thin aluminum outer layer sheets. One surface of the front aluminum sheet is pre-coated with qualified Polyester or Kynar500 ... is widely used on big construction curtain wall, balcony, store front, signal board, awning, body of cars, industrial material ...