Ngomhla we-18 kweyeThupha, iinkampani ezintlanu ezimele imveliso yePVC eTshayina, egameni loshishino lwePVC lwasekhaya, zacela uMphathiswa wezoRhwebo waseTshayina ukuba enze uphando oluchasene nokulahla inkunkuma nxamnye nePVC engeniswe kwamanye amazwe evela eMelika. Ngomhla wama-25 kweyoMsintsi, uMphathiswa wezoRhwebo wavuma eli tyala. Abachaphazelekayo kufuneka basebenzisane kwaye kufuneka babhalise uphando oluchasene nokulahla inkunkuma kwi-Trade Remedy and Investigation Bureau ye-Ministry of Commerce ngexesha elifanelekileyo. Ukuba bayasilela ukusebenzisana, uMphathiswa wezoRhwebo uza kwenza isigqibo ngokusekelwe kwiinyani kunye nolwazi olungcono olufunyenweyo.