... included the main structure( steel beam/girder, steel column/pillar), the secondary structure( roof and wall purlin, steel bracing, tie-bar, etc ... , so we can design, fabricate and install this steel structure workshop according to customer’s requirement.II. We ... density, color, type, etc.b. Single color corrugated steel sheet( Steel Material: Aluminum- Zinc sheet):They have different thickness( 0 ...