Weihai broken bridge doors and windows

With the development of Weihai Broken Bridge doors and windows, they have gradually begun to replace plastic steel doors and windows and become the leading product in home life. As the new favorite in the door and window industry, there are four major criteria when purchasing: 1. The appearance quality of the product. There should be no obvious damage on the surface of the broken bridge doors and windows, and the protective film on the surface should not have any scratches or scratches. At the same time, there should be no obvious color difference on the colored surfaces of adjacent components, nor should there be too many exposed nail holes, which would affect the appearance.
2. Selection of materials. The selection of materials has a crucial impact on the performance of broken bridge doors and windows. Several aspects such as thickness, strength, flatness, gloss and oxidation should be considered when selecting.
3. The smaller the size deviation, the better. Broken bridge doors and windows will have a qualified range of size deviation, and it is better to have a smaller size deviation. Anything outside the scope is a non-qualified product.
4. The firmness of component connections. In terms of components, the component connections of broken bridge doors and windows should be firm to ensure the sealing of doors and windows.