Description: 1. The folding window can be pushed to the side because of its characteristics, which largely solves the problem of insufficient space. It is mainly divided into two types: side-mounted folding windows and push-pull folding windows. The size of the folding windows suitable for each space varies with the environment. 2. Folding windows also have the functions of heat insulation, heat insulation, moisture resistance, fire retardant, noise reduction and sound insulation. 3. The folding window can be fully opened, which is very convenient for cleaning and wiping. 3. The characteristics of the material and structural design of the folding protective window make it an ideal anti-theft effect, which can be used as a security anti-theft facility for families, enterprises and institutions. At the same time, it has a perfect protective function to prevent children, the elderly, and patients from falling from buildings, and to avoid accidents caused by falling objects from high-rise buildings. It is easy to open and close, and meets the requirements of fire escape. It can be built-in installation, harmonious with interior decoration, beautiful in appearance, has no impact on lighting, ventilation and viewing, and meets the requirements of modern decoration and management.