Steel Frame 1. H section column and beam Q345 steel, paint or galvanization 2. wind resistant column Q345 steel,paint or galvanization 3. Roof purline Q235B CZ section galvanized steel 4. Wall purline Q235B CZ section galvanized steel Supporting system 1. Tie bar Q235 round steel pipe 2. knee brace angle steel L50 4,Q235 3. roof horizontal bracing 20,Q235B steel bar, paint or galvanized 4. column vertical bracing 20,Q235B steel bar, paint or galvanized 5. purline brace 12 round bar Q235