[Performance parameters] Anti-frosting value: can be reduced to about -1°C Sound insulation and noise reduction: decibel ≧32dB Service life: years ≧15 years Anti-ultraviolet: blocking 90% of ultraviolet rays Insulation: Heat transfer coefficient (K value) 2.0W /㎡.K　 Shading factor: (SC value) = 0.79 Three levels: wind pressure resistance ≧ 7 air tightness ≧ 3 water tightness ≧ 5 structure decoration: fluorocarbon spraying (color optional) Frame structure: safe and strong , Durable, shock-resistant, load-bearing, creative modeling, and size without any restrictions