Amanca amaphumulwa apho athintele kanye nekuphunywa kwedolobheni lokuhlola umthombo, azisetshenziswa nge-ukwakhiwo okusebenza kunye nokuthi kufanele kakhulu lapho. Amancane amaphumulwa amasafekileyo kunye nokuthi angazange akwazi ukubuya emanzini wamandla, ukuvumela ukusetshenziswa esiphathiswayo ngezinye izindlela ezinomsindo zokuhlola umthombo. Ngokusho lwabo olungaphakathi, amancane amaphumulwa amadluliswayo futhi iindlebe zayo zingavumelekile ukuthola umthombo omphumeleyo. Jiangsu Changfeng Medical Industry Co., Ltd nguvenkilandzelwano elithi lehlala kwiqhaza lokuhlola umthombo ngokusebenzisa imithombo yakhe.