Kwimeko yohlengahlengiso lwecala elisecaleni kwiminyaka yakutshanje, izinga lokukhula komthamo we-chlolor-alkali ziyekile kakhulu, kwaye ukuveliswa kwemveliso yokukhuseleka kwezendalo kunye nokusetyenziswa kwamandla e-Alkali kuyanceda. Ubunzulu obungakhange bubonwe ngaphambili, eyona nto iphambili ye-chlolor-alkali inqunyelwe ., masijonge imeko yophuhliso lweshishini le-PVC.
Ngokweenkcukacha-mali, kwimveliso ye-PVC yemveliso ye-PVC kwishumi elidlulileyo, ishishini le-PVC kwi . lithuba lokukhula kwemveliso ye-PVC. Ukuqala kuka-2015 kube nefuthe elikhulu kwiShishini le-PVC {{5} {amashishini okusebenza kwe-ze-zombie anyukele kakhulu.
Ngokwedatha, iliso kwiliso kwindalo esingqongileyo lichaphazele ngokuthe ngqo ukuqala kweshishini le-PVC . kumjikelo wokhuseleko lwendalo ngo-2017, i-Sichuan € Inyanga. Ekuqaleni kuka-Agasti, uLawulo lukaRhulumente loKhuseleko loMsebenzi wawazise ilayisensi yemveliso yokhuseleko kwi-chabea yi.
Ngesishwankathelo, phantsi kwempembelelo yophuhliso loqoqosho lwase-China kunye nokubekwa esweni kokusingqongileyo, umgaqo-nkqubo woKhuseleko lweNdawo ukhawulezise ukuba ukhuphiswano lweMveliso yeNdawo kunye nokukhutshwa kweShishini ugxile kwimveliso yemveliso,. {Umgangatho wemveliso, kunye nokukhuthaza iimveliso kwi Isikali kunye nesiphelo esiphezulu .} amashishini amancinci asebenza ngendlela enobuhlobo bokukhuseleka kwezendalo, eya kuthi ga kwintengiso yendawo ephantsi komhlaba, eya kuthi ga kwintengiso yemveliso yemveliso kunye ne-Dowstream iya kuphuculwa ngokuthe ngcembe, kwaye ishishini le-PVC liya kuphuhlisa ngokuthe ngcembe kwisikhokelo esizinzileyo .