Daga shekarar 2019 zuwa 2023, matsakaicin karuwar karfin samar da PVC a kowace shekara ya kai kashi 1.95%, kuma karfin samar da kayayyaki ya karu daga tan miliyan 25.08 a shekarar 2019 zuwa tan miliyan 27.92 a shekarar 2023. Kafin shekarar 2021, dogaro da shigo da kayayyaki ya kasance kusan kashi 4%, galibi saboda karancin farashin kayayyakin kasashen waje da kuma wahalar maye gurbin wasu kayayyaki masu tsada.

A cikin shekaru uku na 2021-2023, ƙarfin samar da PVC ya ƙaru, yayin da shigo da kayayyaki kuma ya ƙaru da sauri, saboda wasu na'urori na ƙasashen waje sun fuskanci matsalar ƙarfi, wadatar kayayyaki ta shafi, kuma farashin bai nuna wata fa'ida ta gasa ba, kuma dogaro da shigo da kayayyaki ya ragu zuwa ƙasa da kashi 2%. A lokaci guda, tun daga 2021, kasuwar fitar da kayayyaki ta PVC ta China ta faɗaɗa cikin sauri, kuma a ƙarƙashin fa'idar farashi, Indiya, Kudu maso Gabashin Asiya da sauran ƙasashe sun fi son ta, kuma yanayin fitar da kayayyaki ta PVC yana da tasiri mai yawa a kasuwar cikin gida. Ƙarfin da ke ƙaruwa cikin sauri na kayan ethylene ya kai babban kaso, don haka yana ƙara ƙarfi tsakanin kayayyakin sinadarin calcium carbide da ethylene. Daga mahangar rarraba sabbin ƙarfin samarwa a yankuna, sabon ƙarfin samarwa a 2023 ya fi yawa a Shandong da Kudancin China.

Tsarin samar da kayayyaki na shekara-shekara na 2023 bisa ga bambancin tsari, wanda aka fi mayar da hankali a kan kamfanonin calcium carbide, wanda ya kai kashi 75.13% na ƙarfin samar da kayayyaki na ƙasa, saboda China ƙasa ce mai yawan kwal da ƙarancin mai, kuma kwal galibi ana rarraba shi ne a yankin arewa maso yamma, arewa maso yamma ta dogara da wadataccen kwal, albarkatun calcium carbide, kuma kamfanoni galibi kayan tallafi ne da aka haɗa, don haka ƙarfin samar da PVC a yankin arewa maso yamma yana da girma sosai. Arewacin China, Gabashin China, Kudancin China a cikin 'yan shekarun nan, sabon ƙarfin samar da kayayyaki galibi shine ƙarfin samar da ethylene, saboda sauƙin sufuri, shigo da kayan da aka yi da su da kuma jigilar su.

Daga mahangar yanki, yankin arewa maso yamma har yanzu yana kan gaba da tan miliyan 13.78 na ƙarfin samarwa. Dangane da canje-canjen yankuna, Kudancin China ya ƙara tan 800,000 don cike gibin buƙatun gida, bisa ga wannan, canja wurin albarkatu a Arewacin China zuwa kasuwar Kudancin China ya ragu, Arewacin China ya ƙara tan 400,000 na kayan aiki kawai, kuma sauran yankuna ba su da sabon ƙarfin samarwa. Gabaɗaya, a cikin 2023, ƙarfin samarwa na Kudancin China, Arewacin China da Arewa maso Yammacin China ne kawai za su ƙaru, musamman a Kudancin China, inda ƙaruwar ƙarfin samarwa ke da tasiri sosai. Sabuwar ƙarfin samarwa a 2024 zai kasance galibi a Gabashin China.

Daga tsakanin 2019 zuwa 2023, karfin masana'antar PVC ta kasar Sin ya ci gaba da fadada, wanda hakan ya haifar da karuwar samar da kayayyaki a kowace shekara a cikin 'yan shekarun nan, karfin samar da PVC na cikin gida ya ci gaba da fadada, daga 2019 zuwa 2023, shekaru biyar na fadada karfin samar da tan miliyan 2.84.

Saboda canje-canje a faɗaɗa ƙarfin da China ke da shi a tsakiya da kuma tsarin wadata da buƙata a ƙasashen waje, jigilar kaya a teku da sauran abubuwa da alamu, shigo da kayayyaki daga China ya ragu akai-akai, kuma ana sa ran dogaro da shigo da kayayyaki zai ragu zuwa kashi 1.74% a shekarar 2023. A ƙarshe, tare da ƙaruwar wadatar kayayyaki a cikin gida, inganta ingancin kayayyaki, gibin samar da kayayyaki a cikin gida na gaba zai ragu a hankali.