70 Inward sash

Product Description

The windows are mostly opened inside, and the windows are opened outside, which can leave more room for the interior. However, the construction cost is higher than that of the internal windows. It may also be damaged by strong winds, children open the windows, accidentally fall off a building, or be damaged by high-altitude objects, or objects on the windowsill accidentally fall and hurt people when opening the windows.

Compared with other windows, plastic windows have more superior technical characteristics in saving energy and improving indoor thermal environment. According to the test of the Institute of physics, the heat transfer coefficient of single glass steel and aluminum window is 64W / m2k; The heat transfer coefficient of single glass plastic steel window is about 47w / m2k; The heat transfer coefficient of ordinary double-layer glass steel and aluminum windows is about 3.7w/m2k; The heat transfer coefficient of double glass plastic steel window is about 2.5w/m2k.

We can provide customers with professional customized services. According to customers’ needs, we can provide professional services, answer questions carefully in the whole process, and provide all-round high-end exclusive services.