... things.4x2 QL11409QFR ISUZU refrigeration truck for sale from China Vehicle technical parametersproduct name 4x2 QL11409QFR ISUZU refrigeration ... cast-in-place steel glass, good heat preservation performance, high overall strength; bottom plate board with ventilation slot, ... features.3,Truck body insulation, strong thermal insulation, high smoothness, good impact resistance,to air, water and acid ...