Ultra yakaderera tembiricha mafiriza (ULT mafiriza) zvakagadzirirwa zvinangwa zvakakosha kuchengetedza zvakachengetedzeka mishonga, zvienzaniso, majekiseni, erythrocyte, hemameba, DNA/RNA, bhakitiriya, mapfupa, urume, uye zvimwe zvinhu zvipenyu.KuNenwell, yeduultra low freezersvane tembiricha yakakura kubva -25 ℃ kusvika -164 ℃, tembiricha inodzika nekukasira mushure mekuvhurwa, vanozosvika kusanganisa gasi refrigerants, ayo anochengetedza simba uye ane hushamwari kwezvakatipoteredza kuti ape anowirirana uye akanyanya mamiriro.Kuwedzera kune tembiricha sarudzo, kune dzakawanda sarudzo dzekusangana akasiyana ekuchengetedza masimba, zviyero uye zvimwe zvinodiwa.Zvitaera zvinoverengeka zvefiriza zviripo pane zvaungasarudza, yakatwasuka ULT firiza inobvumira kusvika-mukupinda, zvikamu zvekuchengetera zvinochinjika, iri pasi-kaunda ULT uye counter-yepamusoro mafiriza anogona kukubatsira kuchengetedza nzvimbo kana uine diki nzvimbo yekushanda, uye chipfuva. ULT firiza inokodzera zvinhu zvishoma-zvinoshandiswa zvawaizochengeta nekuchengetedza kwenguva refu.Yedu yakaderera tembiricha mafreezer &mafiriji ezvokurapaakakodzera kunyorera muzvipatara, zviteshi zvebhangi reropa, marabhoritari ekutsvagisa, anti-denda chiteshi uye zvichingodaro.