Anti-firiji amatha kukhala ngati madzi ozungulira mu makina oziziritsa madzi omwe amazizira makina opindika, makamaka m'nyengo yozizira. Komabe, anti-firiji ndi dzimbiri ndipo iyenera kuwonjezeredwa molingana ndi madzi oyeretsedwa. Nyengo ikayamba kutentha, wogwiritsa ntchitoyo ayenera kusinthanitsa madzi oyambawo ndi atsopano (madzi oyeretsedwa kapena madzi oyeretsedwa).
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.
