1. High strength with deep double mortise and self-tapping nail three-layer steel plate fixing.
2. Prefabricated sound insulation strip.
3. Perfect heat insulation, air tightness, waterproof, and wind pressure resistance with core material cross-dislocation arrangement.
4. Degradable fibre side seam bonding with anti-seismic design.
5. Aesthetic appearance to realize high-end decoration.