Zimachitika mochuluka kuti madzi ozunguliranso mu chozizira chamadzi amaundana chifukwa cha kutentha pang'ono m'nyengo yozizira, zomwe zimalepheretsa kuzizira kwamadzi kugwira ntchito moyenera. Pothetsa vutoli, ogwiritsa ntchito amatha kuwonjezera anti-firiji mu chozizira chamadzi potsatira njira zotsatirazi:
1. Onjezerani madzi ofunda kuti asungunuke ayezi mumsewu wamadzi wozungulira;
2. Madzi oundana akasungunuka, onjezerani anti-firiji molingana.
Komabe, chonde dziwani kuti anti-freezer imatha’t kugwiritsidwa ntchito kwa nthawi yayitali, chifukwa imatha kuwononga madzi ozizira mkati chifukwa cha dzimbiri. Choncho, pamene nyengo ikutentha ndipo madzi samatero’Ngati muundana, tikulimbikitsidwa kuchotsa madzi obwereza ndi anti-firiji ndikudzazanso madzi oyeretsedwa kapena madzi osungunuka.
Pankhani ya kupanga, S&A Teyu adayika zida zopangira ma yuan oposa miliyoni imodzi, kuwonetsetsa kuti njira zingapo zikuyenda bwino kuchokera kuzinthu zazikuluzikulu (condenser) za mafakitale oziziritsa kukhosi mpaka kuwotcherera kwachitsulo; kukhudzana ndi logistics, S&A Teyu yakhazikitsa malo osungiramo katundu m'mizinda ikuluikulu ya China, atachepetsa kwambiri kuwonongeka kwa katundu chifukwa cha mtunda wautali wa katundu, komanso kupititsa patsogolo kayendedwe kabwino; pankhani ya pambuyo-kugulitsa utumiki, nthawi chitsimikizo ndi zaka ziwiri.