the specification of copper hinge. Otherwise, the effect can't be effectively played, and it will also affect the normal opening and service life of door and window fittings.

2, select the copper page according to the size of the door and window.

Usually, the hinge has many sizes such as 45mm, 70mm and 95mm. Too small is easy to appear. It is too big to install. We must choose the thickness of the door.

3, select the copper page according to the size and style of the door and window accessories.

All of them should be adjusted according to the location and function of door and window fittings. When decorating, we can't use all kinds of door and window fittings for uniform time in order to save time.