Item |
Our manufactory |
Some manufactories |
Side height |
4m |
lower 3.7mor3.5m |
Aluminum profile |
Bigger 255x113x5mm |
Smaller 250x110x4mm profile |
Fabric |
850g/sqm, special treated |
750g/sqm or 650g/sqm, no special treated |
Steel joints |
Good welding, Spray salt resistant 144hour |
Bad welding, Spray salt resistant about 80 hour |
Assembly accuracy |
Bolt and holes can fit exactly and fixed |
Bolt is difficult to get through hole and fixed. |
TransparencyPVC |
UV Aging test, -20º C resistant |
No UV Aging test, can' t be -20º C resistant, breaken |
Sidewallaccessories |
Nylon rope+Nickel Eyelet |
Zippper, easy breaken. or cotton rope, easy rot |
Rachet |
Bigger rachet+nylon 50mm ribbon |
Small rachet+polyester ribbon, easy breaken |
Cover lappetstructure |
Aluminum rails+screw bolt |
Elastic rope, easy breaken and water can' t flow. |
Roof wire |
201# steel wire, stainlesss |
Generally steel wire, easy stain |
Support beam |
" X" brace beam, galvanized steel |
port beam, thin aluminum |
Gable triangle wall |
The middle is aluminum slots |
The middle is velcro or rope. |
Wind loading |
Wind loading 80km/h test report |
No Wind loading test report |