... of USD160 million.We also manufacture PU sandwich panel, steel roofing tile,EPS panel, H-beam,Z-beam,steel column, girder ... wind speed, snow load, etc .4.Insulation material :sandwich panel or steel sheet.5.Crane beam: Do you need crane ... us.8.Inquiry with your confirmed drawing is preferred. Technical Data ItemNameSpecifications and ParametersComponentBeam and ColumnH-shaped steel, material: Q235Purlin ...