OULAI is an excellent window hinge manufacturer.Window hinges or sometimes called window friction hinges or window friction stays, are the most common part that requires replacing on windows. Broken window hinges are the number 1 cause of draughty windows. People often think that their rubber seals are damaged or have shrunk, while nine times out of ten it will be broken hinges. The most common sign of broken hinges is a gap between the frame seal and the sash (the opening section). Replacing the hinges will cure this problem.Even if only one hinge is broken, both hinges must be replaced with a matching set.

  OULAI has always produced the best window hinges and is an excellent window hinge manufacturer. The quality of our window hinges is guaranteed. If you are interested in our window hinges, please contact us.