1.heat insulation
2.suitable price
3.noisy resistance.
4.excellent service.
5.fireproof

1.Thermal insulation. noise insulation, perfect sealing, elegant appearance and wonderful ventilation

2.surface is treated with powder spraying, multiple colors optional.

3.Double layer glass with chamber, available

option:5+9A+5mm,5+12A+5mm,6+9A+6mm,6+12A+6m

4.According to door openning style, classified as: double leaves swinging, three leaves and four door leaves swinging

5.Optional equipment:  invisible screen window, ornement bars on glass of inside surface.