N'ime usoro ụlọ ọrụ mmanụ hydrocarbon dị nro, ọ fọrọ nke nta ka ọ bụrụ na ọ dịghị azụmaahịa kpọmkwem nke ngwaahịa udara dị n'etiti ala China na United States. Agbanyeghị, US na-ebubata nnukwu akụkụ nke ngwaahịa udara ya site na Eshia, ebe ndị na-ebubata ngwaahịa Eshia na-enweta 40–55% nke benzene, paraxylene (PX), toluene, na xylenes agwakọtara na US. A na-enyocha mmetụta ndị bụ isi n'okpuru:
Benzene
China dabere nke ukwuu na mbubata benzene, ebe South Korea bụ isi ihe na-ebubata ya. Ma China na US bụ ndị na-azụ ahịa benzene, na-enweghị azụmaahịa kpọmkwem n'etiti ha, na-ebelata mmetụta kpọmkwem nke tariffs na ahịa benzene China. Na 2024, ngwaahịa South Korea ruru 46% nke mbubata benzene US. Dịka data kọstọm South Korea si kwuo, South Korea bufere ihe karịrị tọn benzene 600,000 na US na 2024. Agbanyeghị, kemgbe nkeji anọ nke 2023, windo nkwekọrịta dị n'etiti South Korea na US mechiri, na-ebugharị mmiri benzene South Korea gaa China—onye ahịa benzene kachasị na Eshia na ahịa dị oke ọnụ ahịa—na-eme ka nrụgide mbubata China dịkwuo elu. Ọ bụrụ na etinyere tarifụ US na-enweghị mwepu maka benzene dabere na mmanụ ala, ihe ndị e bu ụzọ nye US nwere ike ịkwaga na China, na-akwado nnukwu mbubata. N'okpuru ala, mbupụ ngwaahịa sitere na benzene (dịka ọmụmaatụ, ngwa ụlọ, ákwà) nwere ike ihu nzaghachi na-adịghị mma n'ihi mmụba nke tarifụ.
Toluene
Mbupụ toluene nke China na-eto nke ọma n'afọ ndị na-adịbeghị anya, nke kachasị na-elekwasị anya na Ndịda Ọwụwa Anyanwụ Eshia na India, na-enweghị obere azụmaahịa kpọmkwem na US. Agbanyeghị, US na-ebubata nnukwu toluene site na Eshia, gụnyere tọn metric 230,000 site na South Korea na 2024 (57% nke mkpokọta toluene nke US na-ebubata). Ụgwọ ụtụ isi nke US nwere ike imebi mbupụ toluene nke South Korea na US, na-eme ka nnyefe oke na Eshia ka njọ ma na-eme ka asọmpi na ahịa dị ka Ndịda Ọwụwa Anyanwụ Eshia na India sikwuo ike, nke nwere ike ime ka òkè mbupụ nke China belata.
Xylene
China ka bụ onye na-ebubata xylenes agwakọtara agwakọta, na-enweghị azụmaahịa kpọmkwem na US. US na-ebubata nnukwu xylenes, ọkachasị site na South Korea (57% nke mbubata US n'okpuru koodu HS 27073000). Agbanyeghị, ngwaahịa a dị na ndepụta mwepu tarifụ US, na-ebelata mmetụta ọ na-enwe na ọrụ nkwekọrịta Eshia na US.
Styrene
Mba Amerịka bụ mba na-ebupụ ihe na-emepụta styrene zuru ụwa ọnụ, nke na-enye Mexico, South America, na Europe obere ihe dị na ya (210,000 metric tọn na 2024, ihe fọrọ nke nta ka ọ bụrụ ha niile si Canada). Ahịa styrene nke mba China na-ebuga ihe karịrị akarị, amụma mgbochi ịtụfu ihe echekwaala kemgbe gbochiri azụmaahịa styrene nke mba Amerịka na China. Agbanyeghị, mba Amerịka na-eme atụmatụ itinye tarifu 25% na benzene nke mba South Korea, nke nwere ike ịbawanye ọkọnọ styrene nke mba Eshia. Ka ọ dị ugbu a, mbupụ ngwa ụlọ nke mba China dabere na styrene (dịka ọmụmaatụ, ihe mkpuchi ikuku, friji) na-eche ụtụ isi US na-arị elu (ruo ~80%), na-emetụta ngalaba a nke ukwuu. Ya mere, ụtụ isi nke mba Amerịka ga-emetụta ụlọ ọrụ styrene nke mba China site na mmụba ọnụ ahịa na mbelata ọchịchọ.
Paraxylene (PX)
China anaghị ebupụ PX ọ bụla ma ọ dabere nke ukwuu na mbubata sitere na South Korea, Japan, na Ndịda Ọwụwa Anyanwụ Eshia, na-enweghị azụmaahịa US kpọmkwem. Na 2024, South Korea nyere 22.5% nke mbubata PX nke US (ton 300,000 metric, 6% nke mkpokọta mbupu South Korea). Tarifụ US nwere ike ibelata mbubata PX nke South Korea na US, mana ọbụlagodi na a ga-ebugharị ya na China, olu ya agaghị enwe mmetụta dị oke. N'ozuzu, tarifụ US-China agaghị emetụta ọkọnọ PX mana ọ nwere ike ịkpalite mbupụ ákwà na uwe n'ụzọ na-apụtaghị ìhè.
"Ụtụ isi mba ọzọ" nke mba Amerịka ga-agbanwe ụzọ azụmaahịa ụwa nke hydrocarbons aromatic kama imebi azụmaahịa China na Amerịka ozugbo. Ihe egwu ndị dị mkpa gụnyere oke mbupu n'ahịa Eshia, asọmpi siri ike maka ebe mbupụ, na nrụgide dị ala site na ọnụego dị elu na ngwaahịa emechara (dịka ọmụmaatụ, ngwa, ákwà). Ụlọ ọrụ aromatic nke mba Amerịka ga-eji usoro ọkọnọ ndị a na-agbanwe agbanwe ma gbanwee ụkpụrụ ọchịchọ ụwa niile.
Oge ozi: Eprel-17-2025