The design fulfills both functions of serving as a passageway and ventilation, without taking up indoor or outdoor space when opened. It effortlessly achieves light ventilation while maintaining air tightness and water tightness when closed.

(2)Product features:
★Rational Opening Mechanism:
●The combined performance of inward-opening/tilt and sliding is achieved through a rotary and sliding mechanism. The frame and sash are flush, ensuring a balanced force distribution across four points of the rotary sash, thus avoiding off-angle stress on the opening sash.
★Efficient Inward-Opening/tilt Feature:
●In the inward-opening/tilt position, it easily facilitates gentle ventilation within the room. Additionally, the inward-opening/tilt design improves the stress conditions of the door or window, potentially extending the lifespan of the product and hardware components.
★Enhanced Safety:
●Multiple locking points enhance the sealing performance of the door or window. This, combined with the upper-hinged inward-opening design, effectively prevents accidents such as falling from heights or burglaries, significantly improving the safety of the door or window.
★Concealed Hardware:
●The use of concealed hardware ensures that all hardware system components are built into the product. When the sash is locked, only the handle is visible externally, providing a sleek and modern appearance that enhances the overall aesthetic of the product.

★ Active drainage design for inward tilting window sash: Rainwater on the outside of the sash is directly drained to the outside of the frame through rubber strips. The automatic opening and closing drainage design opens when it encounters water and closes when the water stops, preventing insects and ensuring smoother drainage. It combines high aesthetics with high performance, simplifying complexity.

★Aluminum Profile: 6060/T66:
European Standard ultra-high precision grade 6060-T66 profiles for the main material. The surface is treated with industrial-grade sandblasting,ensuring safety,durability and long-term weather resistance.

(3)Technical performance:
Bearing Components: Hidden Inward-Tilting and Side-Sliding Hardware Assembly
Maximum Weight Capacity of Opening Section: 60kg
Size Range of Opening Section: 900×1600mm
●Visible Width of Profiles:
Frame Profile: 86mm
Sash Profile: 56mm
Mullion Profile: 107mm
Visible Width of Mullion and Sash Combined: 121mm
Visible Width of Frame and Sash Combined: 93mm