Kusanthula kwa momwe msika waposachedwa wa PVC wotumizira kunja umayendera.

Malinga ndi ziwerengero za kasitomu, mu Ogasiti 2022, kuchuluka kwa ufa wa PVC wopangidwa kunja kwa dziko langa kunachepa ndi 26.51% mwezi uliwonse ndipo kunawonjezeka ndi 88.68% chaka ndi chaka; kuyambira Januwale mpaka Ogasiti, dziko langa linatumiza kunja matani okwana 1.549 miliyoni a ufa wa PVC, kuwonjezeka kwa 25.6% poyerekeza ndi nthawi yomweyi chaka chatha. Mu Seputembala, msika wa PVC wopangidwa kunja kwa dziko langa unali wapakati, ndipo ntchito yonse ya msika inali yofooka. Kuchita bwino ndi kusanthula kwake ndi motere.

Ogulitsa kunja a PVC ochokera ku ethylene: Mu Seputembala, mtengo wotumizira kunja wa PVC wochokera ku ethylene ku East China unali pafupifupi US$820-850/ton FOB. Kampaniyo italowa pakati pa chaka, inayamba kutseka kunja. Magawo ena opangira zinthu anali kukonzedwa, ndipo kupezeka kwa PVC m'derali kunachepa moyenerera.

Makampani ogulitsa zinthu zopangidwa ndi calcium carbide PVC: Mitengo ya zinthu zopangidwa ndi calcium carbide PVC ku Northwest China ndi madola 820-880 aku US / tani FOB; mitengo ya zinthu zopangidwa ndi calcium carbide ku Northwest China ndi madola 820-860 aku US / tani FOB; Makampani ogulitsa zinthu zopangidwa ndi calcium carbide ku Southwest China sanalandire maoda posachedwapa, palibe lipoti lomwe lalengezedwa.

Posachedwapa, vuto lalikulu komanso lovuta la m'dziko ndi m'mayiko ena lakhudza kwambiri msika wogulitsa zinthu za PVC m'dziko lonselo; choyamba, zinthu zakunja zotsika mtengo zayamba kukhudza msika wa m'dzikolo, makamaka zomwe zimatumizidwa kuchokera ku United States kupita kumayiko osiyanasiyana. Chachiwiri, kufunikira kwa nyumba zogulitsa nyumba kunapitirira kuchepa; potsiriza, mtengo wokwera wa zinthu zopangira za PVC m'dzikolo unapangitsa kuti zikhale zovuta kuti ma disk akunja alandire maoda, ndipo mtengo wa ma disk akunja a PVC unapitirira kutsika. Zikuyembekezeka kuti msika wogulitsa zinthu za PVC m'dzikolo upitilizabe kutsika kwa nthawi ikubwerayi.