Kungekudala, phantsi kweempembelelo zeNkanyamba uLaura, iinkampani zokuvelisa i-PVC e-US zithintelwe, kwaye imarike yokuthumela ngaphandle ye-PVC ivukile.Ngaphambi kwenkanyamba, i-Oxychem yavala isityalo sayo se-PVC kunye nemveliso yonyaka yeeyunithi ze-100 ngonyaka.Nangona iphinde yaqala emva koko, iphinde yanciphisa enye imveliso yayo.Emva kokuhlangabezana nemfuno yangaphakathi, umthamo wokuthumela ngaphandle we-PVC ungaphantsi, okwenza ixabiso lokuthumela ngaphandle kwe-PVC linyuke.Ukuza kuthi ga ngoku, xa kuthelekiswa nexabiso eliphakathi ngo-Agasti, ixabiso lemarike ye-PVC ye-US ye-US inyuke malunga ne-US $ 150 / ton, kwaye ixabiso lasekhaya lihleli.
