Site 2019 ruo 2023, nkezi kwa afọ uto ọnụego nke PVC mmepụta ike bụ 1.95%, na mmepụta ike mụbara site na 25.08 nde tọn na 2019 ruo 27.92 nde tọn na 2023. Tupu 2021, mbubata adabere mgbe niile gburugburu 4%, tumadi. n'ihi ọnụ ala dị ala nke isi mmalite mba ọzọ na ihe isi ike nke dochie ụfọdụ ngwaahịa dị elu.

N'ime afọ atọ nke 2021-2023, ikike mmepụta PVC mụbara, ebe mbubata na-abawanye ngwa ngwa, n'ihi na ụfọdụ ngwaọrụ ndị mba ọzọ na-emetụta ike majeure, ihe ndị ahụ na-emetụta, na ọnụahịa enweghị uru asọmpi doro anya, na ịdabere na mbubata gbadara. erughị 2%. N'otu oge ahụ, ebe ọ bụ na 2021, ahịa mbupụ PVC nke China amụbaala ngwa ngwa, na n'okpuru uru ọnụahịa, India, Ndịda Ebe Ọwụwa Anyanwụ Eshia na mba ndị ọzọ kwadoro ya, na ọnọdụ mbupụ PVC na-enwe mmetụta na-arịwanye elu na ahịa ụlọ. Ike na-abawanye ngwa ngwa nke ihe ethylene na-akpata ọnụ ọgụgụ buru ibu, si otú a na-eme ka asọmpi dị n'etiti calcium carbide na ethylene usoro ngwaahịa. Site n'echiche nke nkesa mpaghara nke ikike mmepụta ọhụrụ, ikike mmepụta ọhụrụ na 2023 bụ nke kachasị na Shandong na South China.

2023 kwa afọ mmepụta ikike dị ka usoro dị iche iche, tumadi lekwasịrị na calcium carbide ụlọ ọrụ, na-aza 75.13% nke mba mmepụta ikike, n'ihi na China bụ mba nwere ọzọ coal na obere mmanụ, na coal na-tumadi kesaara na ugwu ọdịda anyanwụ mpaghara, na ugwu ọdịda anyanwụ na-adabere na kol bara ụba, akụrụngwa carbide calcium, yana ụlọ ọrụ na-ejikọkarị ụlọ ọrụ nkwado, yabụ ikike mmepụta PVC na mpaghara ugwu ọdịda anyanwụ buru ibu. North China, East China, South China na-adịbeghị anya, ikike ọhụrụ bụ tumadi ethylene mmepụta ikike, n'ihi n'ụsọ oké osimiri, adaba njem, akụrụngwa mbubata na njem.

Site na mpaghara mpaghara, mpaghara ugwu ọdịda anyanwụ ka na-ebute ụzọ na ikike nrụpụta nde 13.78. Dabere na mgbanwe mpaghara, South China gbakwunyere ton 800,000 iji gbakwunye oghere chọrọ mpaghara, na ndabere nke a, mbufe akụrụngwa dị na North China na ahịa ahịa South China belatara, North China gbakwunyere naanị otu ngwa 400,000 nke akụrụngwa, na mpaghara ndị ọzọ. enweghị ikike ọhụrụ. N'ozuzu, na 2023, naanị South China, North China na Northwest China ikike mmepụta ga-abawanye, karịsịa na South China, ebe mmụba nke mmepụta ikike nwere mmetụta dị ukwuu. Ike ọhụrụ na 2024 ga-abụkarị na East China.

2019-2023, ikike ụlọ ọrụ PVC nke China gara n'ihu na-abawanye, nke mmụba kwa afọ na-emepụta n'afọ ndị na-adịbeghị anya, ikike imepụta PVC ụlọ anọgidewo na-abawanye, 2019-2023 afọ ise nke mgbasawanye ikike nke 2.84 nde tọn.

N'ihi mgbanwe na China Centralized ikike mgbasawanye na esenidụt ọkọnọ na ina ụkpụrụ, oké osimiri ibu na ihe ndị ọzọ na egosi, China si mbubata agbadala nọgidere, na mbubata ndabere na-atụ anya na-agbada na 1.74% na 2023. N'ikpeazụ, na mmụba nke ọkọnọ ụlọ, njikarịcha ngwaahịa ngwaahịa, oghere ọkọnọ n'ụlọ n'ọdịnihu ga-eji nwayọ nwayọ.