Iyunithi yokujiya ihlanganisa ukuphindaphinda, i-screw kanye neyunithi yokucindezela yokuskrola, iyunithi yokupholisa umoya kanye neyunithi yokupholisa amanzi, iyunithi ye-CO2 compressor, iyunithi ye-monoblock njll. Iyunithi yokujiya ingasetshenziswa ekuhambeni ku-chiller, ukuhamba ngefriji, isiqandisi esiqhumisayo, umhubhe oqandiswe ngokushesha, ukuthengisa. ifriji, i-cold chain logistics, indawo yamakhemikhali nekhemisi, imboni yezilwane zasolwandle nenyama njll.