Ultra Freezer, Low Temperature Freezer, Lab Freezer manufacturer / supplier in China, offering -86c Ultra Low Temperature Freezer/ Medical Freezer/Lab Freezer, -86c Ultra Low Freezer (New II Upgrades) (DW-HL398S), -40c Upright Type Low Temperature Freezer/Lab/Medical Freezer/Ultra Low Freezer (DW-FL450) and so on.