1. Isotherm vertical with 35.3mm heat insulation strip, excellent insulation performance
2. Corner code cementing process, increase the stability of the window structure, improve the window 5 performance;
3. Three seal design performance is better;
4. Standard with three glass two cavity, optional 5+24A+5 double insulating glass, insulation effect is better;
5. Imported brand hardware, quality assurance, more durable;
6. New national standard thickness, higher safety performance, higher wind pressure resistance;
7. Strengthen the design, stabilize the large glass, more wind pressure resistance and safety.