Automatic Assembly Line Metal Roofing Sheets Polyurethane Insulation Sandwich Panel

Automatic Assembly Line Metal Roofing Sheets Polyurethane Insulation Sandwich Panel Features: .light and durable .easy installation .hot & sound insulation .High quality .Working life: More than 20 years Specifications: 1.Materials : Double color steel + pu(polyurethane ) foam panel (stainless steel or aluminum also can supply ) 2.color steel thickness :0.4mm-1.0mm 3.Total Thickness: 50mm / 75mm / 100mm 4.Width :970mm 5.Length : can be cut as the customer’s requirement 6.Heat