New Arrival ：Variable Frequency cascade system ULT Freezer Second-wave new product is here. In order to meet the flexible needs of various customers,  following -86℃ Twin-drive Variable Frequency ULT Freezer, Meling Biomedical launches another new product, -86℃ Variable Frequency Cascade System Ultra Low Temperature Freezer DW-HL528S.  Differentiated from traditional ultra low ...