1) The operator track rail of on-wall type is directly mounted onto the wall, easy and fast for installation 2) Adopting Ownic exclusive high-tech patents (National Patent No.: ZL200520014092.5 ZL 200520014093.X), good hermetization that meet the highest grade 8 of national standards GB/T 7106-2008, could effectively prevent cross infection and greatly enhanced the hygienic performance of hospitals. 3) Unique design of handles to reduce manual opening force when power off. 4) Operating quietly and fast, the sound insulation effect is good. 5) The features of environmental protection and energy saving is realized by the strong door plate and effective opening and closing system that minimize the air flux, so that the cold air and dust is isolated outside and the temperature and wetness inside room is well kept. 6) Humanized barrier free design to provide the max convenience and safety to the patients and wheelbarrows.