Door and window accessories is the part which make the door and window frame and fan closely connected ,without its existence, doors and windows will only become a dead fan, and lose the meaning of doors and windows.
The overall performance and superiority of the energy - saving door and window is getting more and more attention. It is not uncommon for a small buddy in the door and window system to play a very important role, which is hardware accessories. However, people are often misled by the accessories and think that it is a corner in the door and window. But in fact, it is a misunderstanding.
Hardware fittings lock point and lock seat branch are in the around of whole door and window. When the door and window lock, lock point, lock seat firmly together, with hinge (hinge) or sliding support, together with a strong sealing pressure, so that the seal elastic deformation. Thus, the sealing performance of doors and windows can be greatly improved by making fans and frames form an integral whole.
Similarly, the mechanical properties of doors and windows (opening and closing force, repeated opening and closing, etc.) cannot be separated from the requirements of hardware fittings. The effect of hardware fittings on the first performance of doors and windows against wind pressure determines the success or failure of doors and windows. Also, air tightness, water tightness, insulation, thermal insulation, sound insulation are related with the hardware accessories.
Therefore, when making windows and doors by door handle manufacturers, we must choose hardware accessories of good quality, and try not to choose cheap hardware that does not meet the standard of quality. The poor selection will seriously affect the service life of windows.