Pvc folding door 1.PVC material, printed color 2.Double-ply panel,with PS glass 3.Hard plastic connection with lock PVC Folding Door Panel :1. The light weight, heat insulation, heat preservation, moistureproof, flame retardant, acid and alkali resistant and corrosion resistant.2. Stability, dielectric sex good, durable, anti-aging, easy welding and bonding.3. Bending strength and impact ...