I te tau 2014, i whakamahia a Hangzhou Dryair's Low Dew Point Desiccant Dehumidifier ZCH-15000，ZCH-18000 ki te whakarato i te hau hau iti i te -45℃(73F)mo te 1040 mita tapawha (11200 waewae tapawha) Rua maroke.
I roto i te 2011, he ruma maroke matua huri o 7500 sq.feet tae atu ki te iti desiccant desiccant dehumidifiers ZCH-8000,ZCH-12000,ZCH-15000,ZCH-16000,ZCH-22000 ki te tuku hau i Td≤-40 ℃.
Te wa tuku: Mei-31-2018