Mabizinesi opanga ma PVC am'nyumba zazikulu zopanga calcium carbide amalimbikitsa mwamphamvu njira yachitukuko yachuma chozungulira, kukulitsa ndi kulimbikitsa unyolo wamakampani ndi calcium carbide PVC monga pachimake, ndikuyesetsa kumanga gulu lalikulu la mafakitale kuphatikiza "malasha-magetsi-mchere" Pakalipano, magwero a zinthu za vinilu ku China akukula m'njira zosiyanasiyana, zomwe zatsegulanso njira yatsopano yogulira zipangizo zamakampani a PVC. Malasha-to-olefins apakhomo, methanol-to-olefins, ethane-to-ethylene ndi njira zina zamakono zapangitsa kuti ethylene ikhale yochuluka.
