The aluminum sliding door is popular among many families,which is not only for its convenience to switch, but also for its effectively decoration of the family, and it can create a kind of close atmosphere to make the distance of the people closer. Its design concept and installation is relatively simple, nowadays, it is the priority of decoration for a lot of family. Besides, the aluminium sliding can infill the polyurethane in the aluminuim frame that’s why it has the function of sound insulation, heat insulation and so on.