Site na 2019 ruo 2023, ọnụego mmụba kwa afọ nke ikike mmepụta PVC bụ 1.95%, ikike mmepụta mụbara site na tọn nde 25.08 na 2019 ruo tọn nde 27.92 na 2023. Tupu 2021, ịdabere na mbubata abụrụla ihe dị ka 4% mgbe niile, ọkachasị n'ihi obere ọnụ ahịa nke isi mmalite mba ọzọ na ihe isi ike nke ịgbanwe ụfọdụ ngwaahịa dị elu.

N'ime afọ atọ nke 2021-2023, ikike mmepụta PVC mụbara, ebe mbubata mụbara ngwa ngwa, n'ihi na ụfọdụ ngwaọrụ mba ọzọ metụtara ike majeure, ọkọnọ ahụ metụtara, ọnụahịa enweghịkwa uru asọmpi doro anya, ntụkwasị obi mbubata belatara ruo ihe na-erughị 2%. N'otu oge ahụ, kemgbe 2021, ahịa mbupụ PVC nke China amụbaala ngwa ngwa, n'okpuru uru ọnụahịa, India, Ndịda Ọwụwa Anyanwụ Eshia na mba ndị ọzọ ahọrọla ya, ọnọdụ mbupụ PVC na-emetụtakwa ahịa ime obodo. Ike mmepụta ethylene na-abawanye ngwa ngwa na-abụ nnukwu òkè, si otú a na-eme ka asọmpi dị n'etiti ngwaahịa calcium carbide na ethylene dịkwuo elu. Site n'echiche nke nkesa mpaghara nke ikike mmepụta ọhụrụ, ikike mmepụta ọhụrụ na 2023 bụ isi na Shandong na South China.

Ike mmepụta kwa afọ nke afọ 2023 dịka usoro nhazi si dị, nke a na-etinyekarị n'ụlọ ọrụ calcium carbide, nke ruru 75.13% nke ikike mmepụta mba, n'ihi na China bụ mba nwere ọtụtụ coal na obere mmanụ, a na-ekesakwa coal karịsịa na mpaghara ugwu ọdịda anyanwụ, ugwu ọdịda anyanwụ na-adabere na coal bara ụba, akụrụngwa calcium carbide, ụlọ ọrụ bụkwa ebe nkwado agbakwunyere, yabụ ikike mmepụta PVC na mpaghara ugwu ọdịda anyanwụ buru ibu. North China, East China, South China n'afọ ndị na-adịbeghị anya, ikike ọhụrụ a bụ isi ikike mmepụta ethylene, n'ihi njem dị mma n'ụsọ oké osimiri, mbubata ihe na mbubata ihe.

Site n'echiche mpaghara, mpaghara ugwu ọdịda anyanwụ ka nọ n'ọkwa mbụ na ikike mmepụta nde tọn 13.78. Dịka mgbanwe mpaghara si dị, South China gbakwunyere tọn 800,000 iji kwado oghere ọchịchọ mpaghara, na nke a, nnyefe akụrụngwa na North China gaa na ahịa South China belatara, North China gbakwunyere naanị tọn tọn 400,000 nke akụrụngwa, mpaghara ndị ọzọ enweghịkwa ikike ọhụrụ. N'ozuzu, na 2023, naanị ikike mmepụta nke South China, North China na Northwest China ga-abawanye, karịsịa na South China, ebe mmụba nke ikike mmepụta nwere mmetụta ka ukwuu. Ike ọhụrụ na 2024 ga-abụkarị na East China.

Site na 2019 ruo 2023, ikike ụlọ ọrụ PVC nke China nọgidere na-agbasa, nke mmụba kwa afọ na mmepụta n'afọ ndị na-adịbeghị anya kpatara, ikike mmepụta PVC nke ụlọ anọgidewo na-agbasa, site na 2019 ruo 2023 afọ ise nke mgbasawanye ikike nke tọn nde 2.84.

N'ihi mgbanwe na mgbasa ikike etiti nke China na ụkpụrụ ọkọnọ na ọchịchọ mba ofesi, ibu ụgbọ mmiri na ihe ndị ọzọ na ihe ngosi, mbubata China ebelatala mgbe niile, a na-atụkwa anya na ịdabere na mbubata ga-agbada ruo 1.74% na 2023. N'ikpeazụ, site na mmụba nke ọkọnọ n'ime ụlọ, nhazi mma ngwaahịa, oghere ọkọnọ n'ime ụlọ n'ọdịnihu ga-ebelata nwayọ nwayọ.