The height of the door: the height of the aluminum frame door for people to pass is generally not less than 2m, and then it should not be more than 2.4m, otherwise there is a sense of emptiness, and the production of the door also needs to be specially strengthened. If modelling, ventilated, day lighting needs when, can add waist window on the door, its height rises from 0.4m, but also unfavorable exorbitant.