Decoration of PVC gusset plate production lines of PVC decorative sheet, with polyvinyl chloride (PVC) as the main raw material, through modified processing, stabilizing agent, strengthening agent and other additives, light weight, easy installation, waterproof, anti moth, pattern of design and color on the surface of the change is very much, and resistant to pollution, good cleaning, has the good performance of sound insulation, heat insulation, especially adding flame retardant materials, new technology to or from the fire, using more safe.