Benefits and Features: Events around the door is equipped with special rubber seal when the door is closed and the door can be reliably posts together to ensure the air tightness of the door. Rail is aluminum alloy, the unique V-shaped groove tracks and arcs designed to meet the requirements sealed off, the overall structure is reasonable and reliable. Life of up to one million times. Door design uses a large flat spray the surface of stainless steel or aluminum plate, fitted with seals, meet the health requirements of hospital use. Door activities running smoothly. Manual push-pull is less than 100N. Dedicated controller is superior switching performance and foot sensors, medical staff simply stretching the foot switch box, automatic doors that open and close, can also be manually controlled switch operation. Used in factories, warehouses and other places.