High speed automatic doors with roll-up PVC panels designed to open and close very quickly making it suitable for factories and warehouses with heavy traffic or to keep clean, hygiene and reduce temperature lost. Durable, light weight and flexible roll-up PVC door curtains. Equipped with Self-Repairing function when the door curtain receives a strong impact and leaves the guides. Various opening methods such as sensors, switches, remote controls, key cards, or loop detectors.