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 ya kupanga, S&A Teyu adayika zida zopangira ma yuan opitilira miliyoni imodzi, kuwonetsetsa kuti njira zingapo zikuyenda bwino kuchokera pazigawo zapakati (condenser) za mafakitale oziziritsa kukhosi mpaka kuwotcherera kwachitsulo; pankhani ya Logistics, S&A Teyu akhazikitsa 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-malonda utumiki, nthawi chitsimikizo ndi zaka ziwiri.
