Roofing Panel & Wall Panel & Cladding material Guangdong Qiguang Group Co .,Ltd is ... value of USD160 million.We also manufacture PU sandwich panel, steel roofing tile,EPS panel, H-beam,Z-beam,steel column, ... wind speed, snow load, etc .4.Insulation material :sandwich panel or steel sheet.5.Crane beam: Do you need crane ... 0.60KN/m2Earthquake ResistanceGrade 8Fireproofing GradeGrade B1 EPS sandwich Panel