1. This is a suitable for cold climates energy-saving windows and doors.
2. Single Shanping open, multi-fan translation, "adiabatic timber" and "Al" a combination of the overall profile, it has a higher thermal insulation properties.
3. Super Noise Reduction: thick frame, insulating glass configuration, high-density seal design, so the noise reduction effect of the product reaches the high-decibel, enjoy Lin Jing.

Features:
The majority of consumers as a movable wall.
Tightness q1≤0.5 [m3 / (m · h) (GB highest q1 ≤0.5)
Watertight △ P≥700 Pa (GB highest △ P≥700)
Wind pressure P3≥4500 Pa (GB highest P3≥5000)