I-China ngumenzi okhokelayo wee-ventilators kwaye iphumeze imigaqo engqongqo yokubulala iintsholongwane ukuqinisekisa ukhuseleko lwezigulana kunye nabasebenzi bezempilo.Ii-Ventilators zibulawa iintsholongwane zisebenzisa indibaniselwano yokukhanya kwe-UV, umphunga wehydrogen peroxide, kunye nezinye izibulali-ntsholongwane ukuphelisa iintsholongwane kunye neebhaktheriya.Iifektri zaseTshayina zokwenza izixhobo zokuphefumla zixhotyiswe ngetekhnoloji ephucukileyo kwaye zithobela imigangatho yamazwe ngamazwe ukuvelisa izixhobo zonyango ezikumgangatho ophezulu nezikhuselekileyo.