Windows play a very important role in our daily life, because the window is the channel to dredge the air and light in our room. There are many kinds of windows,however,the aluminum hung window is a good choice, because its air flow is big, the lighting surface is wide, and it is very light,which makes it very popular.
The aluminum hung window is divided into different types as per different positions of hinges:upper hung window, middle hung window, lower hanging window:
Upper hung window: its hinges are installed on the upper side of the casement, usually open to the outside,and have good performance of rainproof;
Middle hung window: the middle part of the casement is equipped with the horizontal axis, the switch is convenient and save power, it also have good performance of rainproof;
Lower hung window: its hinges are mounted on the lower side of the casement ,its generally open inward and well ventilated.