High Reinforce Aluminum, anti-rust surface, GB6061-T6 ;100%"FENGLV "Aluminum Material Guaranteed; It can be used more than 30 years
Roof cover
850g/m² and 660g/m² Double PVC-Coated Polyester, flame retardant, UV resistance, waterproof, comply to DIN 4102 B1, M2 ( European standard); 100% XingYiDa PVC Material Guaranteed - Perfect Fabric Cover Brand in China Recently.
Sidewall
Allowed Temperature Condition: -40°to +70°temperature Max Wind Speed Allowance: 120km/h Snow Load: 75kg/sqm