China Boyard R404 R448A R449A Cooler Compressor Refrigeration Unit Hqhd-23K, Find details about China Refirgeration Unit Hqhd23kbp for Coldroom, Refrigeration Unit for Chiller and Freezer from Boyard R404 R448A R449A Cooler Compressor Refrigeration Unit Hqhd-23K