Bi fold door will create more relaxing and entertaining spaces by its room-saving speciality.
Domestic aluminum alloy window frame and upvc window frame are respectively suitable for different building consumer groups.
According to the data, u pvc window is suitable for general bottom residential, often this kind of consumer is not very high quality requirements of the product.And upvc window as a building window, can only be given priority to with white, can not meet the rich and colorful building exterior wall decoration needs.
And the color of aluminum bifold doors is more diverse.