Kemgbe mmalite nke 2020, ọrịa okpueze ọhụrụ ahụ agbasala gburugburu ụwa ma nwee mmetụta na ụlọ ọrụ PCB zuru ụwa ọnụ. China na-enyocha data olu mbupụ kwa ọnwa nke PCB China nke General Administration of Customs wepụtara. Site na Machị ruo Nọvemba 2020, olu mbupụ PCB China ruru ijeri ijeri 28, mmụba kwa afọ nke 10.20%, ndekọ dị elu n'ime afọ iri gara aga.
N'ime ha, site na Machị ruo Eprel 2020, mbupụ PCB nke China mụbara nke ukwuu, gbagoro 13.06% na 21.56% kwa afọ. Ihe kpatara nyocha: n'okpuru mmetụta nke ọrịa na-efe efe na mbido 2020, ọnụ ọgụgụ ọrụ nke ụlọ ọrụ PCB nke China na China China, mbugharị mgbe ịmaliteghachi ọrụ, na iweghachi ụlọ ọrụ esenidụt.
Site na Julaị ruo Nọvemba 2020, mbupụ PCB nke China mụbara nke ukwuu kwa afọ, ọkachasị na Ọktoba, nke mụbara site na 35.79% kwa afọ. Nke a nwere ike ịbụ n'ihi na mgbake nke ụlọ ọrụ ndị dị n'okpuru ala na ụbara ọchịchọ maka ụlọ ọrụ PCB nke mba ofesi. N'okpuru ọrịa na-efe efe, ikike inye ụlọ ọrụ PCB esenidụt anaghị akwụsi ike. Companieslọ ọrụ China nke Mainland na-eme iwu mbufe na mba ofesi.
Dị ka data Prismark si kwuo, site na 2016 ruo 2021, mmụba nke uru mmepụta nke akụkụ ọ bụla nke ụlọ ọrụ PCB China dị elu karịa nkezi zuru ụwa ọnụ, karịsịa na ọdịnaya teknụzụ dị elu dị ka bọọdụ elu, HDI, bọọdụ na-agbanwe agbanwe. na nkwakọ ngwaahịa. PCB. Were mkpụrụ nkwakọ ngwaahịa dịka ọmụmaatụ. Site na 2016 ruo 2021, a na-atụ anya na ọnụ ahịa mpụta nkwakọ ngwaahịa nke obodo m ga-eto na ọnụ ọgụgụ uto kwa afọ nke ihe dịka 3.55%, ebe nkezi ụwa bụ naanị 0.14%. Usoro nke nnyefe mmepụta ihe doro anya. A na-atụ anya na ọrịa na-efe efe ga-eme ka nnyefe nke ụlọ ọrụ PCB dị na China dịkwuo elu, na nnyefe Ọ bụ usoro na-aga n'ihu.