The guideway is a very important part on the automatic door. The opening and closing of the door body is carried by the suspender with the door body running on the guideway. All the weight of the door body is borne by the guideway. The mass of the track may cause noise, unstable operation, wear pulley and other problems. Therefore, the quality of the guideway directly affects the operation quality of the automatic door. Caesar automatic door guideway, can be called a high-quality model, in the high-quality aluminum profile guideway, laid a high-density high-tech material cushion, so that the pulley and guide