Anti-ultraviolet rays: blocking 99% of ultraviolet rays. Anti-frosting value: can be reduced to about -25℃. Sound insulation and noise reduction: ≧39dB decibel. Service life: >20 years. Heat insulation: Heat transfer coefficient (K value) 1.3W/㎡.K Sunshade Coefficient: (SC value) = 0.59 Three levels: wind pressure resistance ≧ 9 air tightness ≧ 3 water tightness ≧ 5 structure decoration: stainless steel decorative panel (color optional) Frame structure: steel structure (safe and strong, Load-bearing and earthquake-resistant, there is no limit to the size of the model)