Dimming glass automatic doors: to break the traditional monotonous and single use of the door, can be projected to the door, can be shade, can be hidden, is the automatic door becomes colorful; the same time the magnetic levitation machine is the world's most secure, the most Smooth, the most quiet, the longest life, the smallest size (door rail section 45 * 56), the installation of the most simple (door and manual sliding door installation the same) door machine, single fan load maximum 400KG.