Industrial sliding door is a popular factory door for its fashionable appearance, good sealing performance and strong wind resistance. According to the size of the door,we can choose the opening ways as one-way or two-way opening, and the door panels as single panel or multi-panels. Its door load bearing structure can be divided into upper load bearing and lower load bearing. Door panels adopt thermal insulation,PC shutter and other new materials such as organic or tempered glass .The door frame and small door frame are connected with door panel are connected by high strength aluminum alloy or metal material, which can not only reduce the weight of the door panel, but also make it beautiful and generous. Its structure has fixed frame, eccentric shaft, hanging wheel, fastener and so on. Fixed frame is made of high strength aluminum which is non-deformation, and its wheel is made of composite plastics with good mechanical capacity and wear-proof performance.