... :Plywood Case 5.Delivery time:7 days Industrial Rapid Roller Door1.Control systemsJapanese Mitsubishi Inverter, PLC and ... -free,colour optional. --Curtain material adopt high-density industrial fabric coating, 0.8mm thickness, yellow, blue, ... door,there is photoelectric sensors,as you obstruct the infrared ray,it stop. Thirdly,our door aslo install emergency stop equipment industrial rapid roller door ...