Whole window life
The quality of hardware also has a certain impact on the life of high-speed doors. Generally speaking, the service life of anti-corrosion and rust-proof hardware is 10 years, which is enough for normal building doors and windows. Experts point out that it is good. The hardware should look thick, and the surface gloss should be good, the protective layer is dense, there is no scratches, the most important point is to turn on the