... over 30 countrie PU sandwich panel for cold room focus on researching and manufacturing of various ... panel,widely used in house,freezing house,clean room,garage door,roof ,wall,antifire,sound abosrbing ... panel,PU cam lock panel.Thickness of cold room panel Application temperature50mm Temperature 5°C or above75mm ... than 6.5m.it can make small cold room,panel's thickness is 75mm,100mm,120mm,150mm ...