Refrigerant imagwira ntchito yofunika kwambiri mufiriji ya recirculating madzi ozizira. Firiji yapano ya eco-friendly imaphatikizapo R134A, R410A ndi R407C. Ngati ogwiritsa ntchito ali ndi zofunikira zapadera za refrigerant, amatha kulankhulana ndi woperekera chiller moyenerera.
Pankhani yopanga, S&A Teyu adayika zida zopangira yuan yopitilira miliyoni imodzi, kuwonetsetsa kuti njira zingapo zimachokera kuzinthu zazikuluzikulu (condenser) za mafakitale oziziritsa kukhosi mpaka kuwotcherera kwachitsulo; ponena za mayendedwe, S&A Teyu yakhazikitsa malo osungiramo katundu m'mizinda ikuluikulu ya China, atachepetsa kwambiri kuwonongeka chifukwa cha mayendedwe akutali a katunduyo, komanso kuwongolera magwiridwe antchito; pankhani ya pambuyo-malonda utumiki, nthawi chitsimikizo ndi zaka ziwiri.
