Window and door hardware accessories’broken mainly in: widnow and door hardware accessories loosed and falled, trasimission and locked not unhindered, the roller breaked and the friction stay hinge rusted. The reasons of these problems, some is ablout installation and using, so how to we protece the window and door hardware accessories far away from broken?

  1. Window and door is a all system, so choosing the material and configuration hardware should be in a high match. Hardware accessories except matching material, size and performance should be in national standard.
  2.Different window and door sizes have different requirements, such as the sliding door need to use the double roller, but sliding window handles upvc's window’s width more than 1000mm, it must use double glass and double roller. The top-hung window need to use the wind stay when its hength more than 1000mm.
  3. The friction stay hinge usually uses 304 stainless steel material, but on the edge of sea, it must use 316.
  4. The order of window and door hardware’s installation also need to attention. Usually, hardware accessories after the window is already, but lock and handle should be installed after the window and door is finished.