... sound-absorbing,environmentally friendly CE second hand cold room panelsFeature of cold storage/Cold room/cold store:1Temperature range: -40ºC~+20 ... control system.5 Heat and sound insulation. Temperature suitable for PU ranges from -200 centigrade ... dairy, sea food, drinking...), Medicine, Chemical, Electronics...cold room, clean room, workshop, building, warehouseIf any needsm,please email me. ...