1) Roof and Wall: Corrugated steel sheet/sandwich panel; 2) Supporting: Section steels (e.g. Hot-rolled H-section steel/Weled H-section steel/ Steel Tubes); 3) Window and door: PVC Window; Rolling door/Sliding door; 4) Mutli-span, custom designed, efficient scheduling &delivery; 5) Top quality at great prices with personalized and most professional service.