Ndi mfundo ziti zomwe zikugwirizana ndi makampani a polypropylene mu 2021?Kuyang'ana m'mbuyo pa mtengo wamtengo wapatali m'chaka, kukwera kwa theka loyamba la chaka kunabwera kuchokera kuwirikiza kawiri kwa kukwera kwa mafuta osakanizidwa ndi nyengo yozizira kwambiri ku United States.M'mwezi wa Marichi, funde loyamba la ma rebounds linayambika. Zenera lotumiza kunja linatsegulidwa ndi zomwe zikuchitika, ndipo katundu wapakhomo anali wochepa.Kukankhidwira m'mwamba, ndipo kubwezeretsedwa kotsatira kwa makhazikitsidwe akunja kudalepheretsa kukwera kwa polypropylene, ndipo magwiridwe antchito mu gawo lachiwiri anali apakati.Mu theka lachiwiri la chaka, ulamuliro wapawiri wa kugwiritsa ntchito mphamvu ndi kugawira mphamvu
