... quality have got customers from all over the word.Applications: Steel workshop/warehouse/shed, Exhibishion Hall,Office buildings, Garage,Hanger, ... and beams) is made of welded H-style steel or hot rolled steel H section. steel materials: Q345 & Q235;2. The columns ... C120~C320,Z100~Z2007.roof and wall panelsingle colorfull corrugated steel sheet,sandwich panel with EPS, ROCK WOOL , PU etc insulation8. ...