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FAQ
Q1. The principle of the dark drainage structure?
A:The concealed hinge red osk window concealed drainage process uses a gravity drainage structure, and at the same time, the traditional point drainage hole is changed to a linear drainage cavity, which can minimize the external wind pressure and avoid the phenomenon of rainwater backflow.
Q2. How many imported materials are there on a standard aluminum-clad wooden window (take pine as an example) for a Joyfident? What are they?
A:There are 5 imported materials

1. Timber: German Norka red pine
2. Hardware: German Winkhaus (German HOPPE handle)
3. Sealing strip: Slug, Germany
4. Water-based paint: Renault, Germany
5. Aluminum powder coating: Akzo Nobel super weather resistant powderCustomized Aluminum Clad Wood Windows
   website:http://www.joyfident-china.com/aluminum-clad-wood-windows/