Aesthetic architecture: The top-folding door frame can be used with various exterior wall building materials to achieve a consistent hidden door effect, which is both beautiful and practical.

The latest up-folding door frame released by Sanjiu Company can be used with various exterior wall building materials, making the overall exterior wall consistent and more effective in hiding the door. It is not easy to see the opening position of the building, which solves the design problem During the planning and design stage, the unit dared not or reduced the opening design to avoid the doubt of destroying the aesthetic feeling of the building, and endowed the building with the greatest significance of both aesthetics and practicality.