Mu 2014, Hangzhou Dryair's Low Dew Point Desiccant Dehumidifier ZCH-15000，ZCH-18000 yakoreshejwe mu gutanga umwuka muke w’aho amazi anyura kuri -45℃ (73F) kuri metero kare 1040 (metero kare 11200).

Mu 2011, icyumba cyumye cy'urufunguzo rw'inyuma gifite ubuso bwa metero kare 7500 harimo n'ibikoresho byo mu bwoko bwa desiccant ZCH-8000, ZCH-12000, ZCH-15000, ZCH-16000, ZCH-22000 kugira ngo gitange umwuka kuri Td≤-40℃.