窄边型材设计，增加窗扇透光性(采光面积超过整窗面积83%，比普通门窗高10%),保证良好通透性。

Narrow profile design, increasing the light transmittance (It can reach 83% light transmittance 10% than normal window systems) ,ensuring good permeability.

Dedicated concealed handle, no fittings can be seen in front of the window, simple and beautiful, easy to operate.

Adopting three layers of sealing structure design to enhance water tightness, air tightness, soundproof and heat-insulating performance.

Connecting structures are sealed with structural sealant, ensuring structural strength and high bearing capacity.

The insulating aluminum strip is coated by fluorocarbon to avoid changes in the surface of the aluminum strip for a long time.

“Sash inward opening+ flush inward opening= Double inward opening”, safer and more convenient.

Standard 5G+12A+5G+12A+5G insulating glass, enhances soundproof and heat-insulating.