Air windows promote natural ventilation in the roomFor many places, in spring and summer or summer and autumn, people often switch between opening win...

What is natural exhaust ventilation control systemThe control system can be divided into two parts: Daily ventilation and fire Exhaust SystemIt has th...

The Choice Of Electric Window OpenerAutomatic window opener (electric window opener) is a kind of automatic window opening/closing equipment, which is...

● High windows, windows that are installed high or too far away and out of reach by human power alone● Windows that are too heavy, laborious to open o...

As the latest development of modern windows, an intelligent electric window opener is widely used in many fieldsHigh-level window: the installation of...

Door closers' correct adjustment method1, Almost all door closers have a closing speed and latch speed two levels of adjustable features. Latching...