Apha ngezantsi kukho iingongoma ezimele zikhunjulwe xa ukhetha iyunithi ye-industrial chiller yomatshini wokulahla :
1.Umthamo wokupholisa we iyunithi yemveliso ye-chiller kufuneka ihlangabezane nemfuneko yokupholisa yomatshini wokulambisa;
2.Ukuhamba kwempompo kunye nokuphakanyiswa kwempompo kufuneka kwakhona kuhlangabezane nemfuneko;
3.Khetha umenzi we-chiller onemveliso ekumgangatho ophezulu kunye nenkonzo ekhawulezayo emva kokuthengisa.
Ngokubhekiselele kwimveliso, uS&I-Teyu ityale imali kwizixhobo zemveliso ezingaphezulu kwesigidi seeyuan, iqinisekisa umgangatho woluhlu lweenkqubo ukusuka kumacandelo angundoqo (i-condenser) ye-industrial chiller ukuya kwiwelding ye sheet metal; ngokumalunga nolungiselelo, S&I-Teyu imise iindawo zokugcina iimpahla kwiidolophu eziphambili zaseChina, zinciphise kakhulu umonakalo ngenxa yokuhanjiswa kwexesha elide lempahla, kunye nokuphucula ukusebenza kakuhle kwezothutho; ngokumalunga nenkonzo emva kokuthengisa, ixesha lewaranti yiminyaka emibini.