... install this steel structure workshop according to customers requirement. B. Its very easy to install the steel structure workshop ... -120um); Warranty period: 18-20 years under normal conditions. b. Hot-dipped galvanized, when the thickness of parts is less ... thickness(50mm,75mm,100mm, 200mm), density, color, type, etc.b. Single color corrugated steel sheet( Steel Material: Aluminum- Zinc sheet):They ...