... /pillar), the secondary structure( roof and wall purlin, steel bracing, tie-bar, etc), door and windows, and other accessories.A. ... teams, so we can design, fabricate and install this steel structure workshop according to customers requirement.B. Its very easy ... ), density, color, type, etc.b. Single color corrugated steel sheet( Steel Material: Aluminum- Zinc sheet):They have different thickness( 0.3 ...