简述隐藏合页式门窗五金及型材

Brief introduction of hardwares and profiles for concealed hinge window and door

针对最近某些建筑项目中要求合页隐藏的门窗的情况。本文就五金及相关型材进行了讨论。

In recent years, some customers and architects asked the hinges of windows or doors to be concealed. On their request, the author made research on the related profile and hardware.