PU sandwich panel, steel roofing tile,EPS panel, H-beam,Z-beam,steel column, girder and purlin etc If you have any projects , please kindly provide us the following information:1.Dimension: length, width, height, eave height, roof pitch, etc .2.Doors and windows: dimension, quantity,where to put them.3.Local climate: wind speed, snow load, etc .4.Insulation material :sandwich panel or steel sheet ...