1.Polyurethane insulation sandwich panel 2.Cold storage room 2. PU panel room 3. CE 4.Temperature: -5 --40 1. Core material of panel: Polyurethane.2. Panel availiable thickness: 50mm,75mm,100mm,120mm,150mm,200mm.3. Material of panels surface: Color plate, Stainless Steel, etc.4.Surface of panels thickness: 0.326mm, 0.376mm, 0.426mm, 0.476mm, 0.526mm.5. Door types: Sliding, swing 6. Functions: ...