Kuwunika kwaposachedwa kwa msika waposachedwa wa PVC.

Malinga ndi ziwerengero za kasitomu, mu Ogasiti 2022, kuchuluka kwa PVC koyera kudziko langa kunatsika ndi 26.51% mwezi-pa-mwezi ndikuwonjezeka ndi 88.68% pachaka; kuyambira Januwale mpaka Ogasiti, dziko langa lidatumiza matani okwana 1.549 miliyoni a ufa woyera wa PVC, kuchuluka kwa 25.6% poyerekeza ndi nthawi yomweyi chaka chatha. Mu Seputembala, magwiridwe antchito a msika wa PVC wa dziko langa anali wapakati, ndipo ntchito yonse yamsika inali yofooka. Ntchito yeniyeni ndi kusanthula ndi izi.

Ogulitsa kunja kwa PVC opangidwa ndi ethylene: Mu Seputembala, mtengo wa PVC yochokera ku ethylene ku East China unali pafupifupi US$820-850/ton FOB. Kampaniyo italowa mkatikati mwa chaka, idayamba kutseka kunja. Magawo ena opanga adayang'anizana ndi kukonza, ndipo kupezeka kwa PVC m'derali kudachepa moyenerera.

Calcium carbide PVC mabizinesi otumiza kunja: Mtengo wamtundu wa calcium carbide PVC kunja kwa Northwest China ndi 820-880 US dollars / ton FOB; kuchuluka kwa mawu ku North China ndi 820-860 US dollars / ton FOB; Southwest China calcium carbide PVC mabizinesi otumiza kunja sanalandire madongosolo posachedwapa, palibe lipoti chimbale analengeza.

Posachedwapa, zovuta komanso zovuta zapakhomo ndi zapadziko lonse lapansi zakhudza kwambiri msika wa PVC kunja kwa dziko lonse; Choyamba, zinthu zakunja zotsika mtengo zayamba kukhudza msika wapakhomo, makamaka PVC yotumizidwa kuchokera ku United States kupita kumayiko osiyanasiyana. Chachiwiri, kufunikira kwapansi kwa malo omanga nyumba kunapitirizabe kuchepa; potsiriza, kukwera mtengo kwa zipangizo zapakhomo za PVC kunapangitsa kuti zikhale zovuta kuti ma disks akunja alandire malamulo, ndipo mtengo wa ma disks akunja a PVC unapitirizabe kuchepa. Zikuyembekezeka kuti msika wapakhomo wa PVC upitiliza kutsika kwakanthawi.