1. Steel Structure Warehouse 
2. Advantage: Light, firm, easy to install&maintain 
3. Nice & durable 
4. ISO9001: 2000 
5. Professional & recycling 

A. The main structure( welding H section steel) 
1. Steel material: Q345, Q235. 
2. Welding type: Auto- Submerged arc Welding and CO2 shielded welding. 
3. Derusting Grade: SA 2.5 grade in China. 
4. Preservative treatment: Two to four layer paint 
Paint light gray (total thickness: 100-120um). 

B. The secondary structure( C purlin, steel bracing, tie- bar, knee- brace, support for steel beam and column, etc) 

1. Steel material: Q235 
2. Method of productionCutting, forming, drilling, CO2 welding, de- rusting, painting, etc 
3. Derusting Grade: SA 2.5 grade in China. 
4. Preservative treatment: Two to four layer paint light gray (total thickness: 100-120um). 

C. EPS sandwich panel for Roof. 
1. Panel type: 960, 950 
2. Galvanized steel sheet: 60-70G/M2 
3. Outside (corrugated steel sheet): 0.3, 0.35, 0.4, 0.45, 0.5, 0.6mm 
4. Inside (corrugated steel sheet): 0.3, 0.35, 0.4, 0.45, 0.5, 0.6mm 
5. Density of EPS: 8kg-12kg/m3 
6. Color of steel sheet: Sea blue, white grey and bright red.