galvanized steel, for single & double layers of poly film, 0.6mm,0.65mm,0.70mm are available

The products can be used as the main body of large and medium-sized industrial and civil construction stress structure, such as factories, warehouses, engine garages, the market garden shed roof and greenhouses locking the poly film with spring wire. 

Specifications:
1) Length customized as per clients' requirements
2) Performance: high strength, withstands high pressure, good corrosion 
resistance
3) Material: cold- or hot-rolled steel and custom 

4) Quick and convenient installation.