M'makampani onunkhira a hydrocarbon, palibe malonda enieni onunkhira pakati pa China ndi United States. Komabe, dziko la United States limaitanitsa zinthu zina zonunkhiritsa kuchokera ku Asia, ndipo ogulitsa aku Asia amatenga 40–55% ya ma benzene, paraxylene (PX), toluene, ndi ma xylenes osakanikirana ndi US. Zotsatira zazikulu zikuwunikidwa pansipa:
Benzene
China imadalira kwambiri benzene kuchokera kunja, ndipo South Korea ndi omwe amagulitsa kwambiri. Onse aku China ndi US ndi ogula benzene, osachita malonda achindunji, zomwe zimachepetsa mtengo wamitengo pamsika waku China wa benzene. Mu 2024, zinthu zaku South Korea zidatenga 46% ya benzene ku US. Malinga ndi mbiri ya kasitomu yaku South Korea, South Korea idatumiza matani opitilira 600,000 a benzene ku US ku US mu 2024. Ngati mitengo yamtengo wapatali ya ku US iperekedwa popanda kukhululukidwa ku benzene yopangidwa ndi petroleum, katundu wapadziko lonse wotumizidwa ku US akhoza kusamutsidwa kupita ku China, kukhala ndi mavoti ochuluka ochokera kunja. Kutsika, kutumizidwa kunja kwa zinthu zochokera ku benzene (mwachitsanzo, zida zapakhomo, nsalu) zitha kukumana ndi malingaliro oyipa chifukwa cha kukwera kwa mitengo yamitengo.
Toluene
Kutumiza kwa toluene ku China kwakula pang'onopang'ono m'zaka zaposachedwa, makamaka kumwera chakum'mawa kwa Asia ndi India, ndi malonda osagwirizana ndi US. Misonkho yaku US ikhoza kusokoneza kutumiza kwa toluene ku South Korea ku US, kukulitsa kuchulukirachulukira ku Asia komanso kukulitsa mpikisano m'misika ngati Southeast Asia ndi India, zomwe zitha kufinya gawo la China.
Xylenes
Dziko la China likugulitsa kunja kwa ma xylenes osakanikirana, osachita malonda achindunji ndi US. US imatumiza ma xylenes ambiri, makamaka kuchokera ku South Korea (57% ya ku US yochokera kunja pansi pa HS code 27073000). Komabe, mankhwalawa akuphatikizidwa pamndandanda wa anthu omwe salipiritsa msonkho ku US, kuchepetsa kukhudzidwa kwa zochitika za ku Asia ndi US.
Styrene
US ndiyogulitsa kunja kwa styrene padziko lonse lapansi, makamaka ikupereka Mexico, South America, ndi Europe, ndi zinthu zochepa zochokera kunja (matani 210,000 mu 2024, pafupifupi onse ochokera ku Canada). Msika wa styrene waku China waperekedwa mochulukira, ndipo malamulo odana ndi kutaya kwa nthawi yayitali aletsa malonda a masitayelo aku US-China. Komabe, US ikukonzekera kukakamiza 25% msonkho pa benzene waku South Korea, zomwe zitha kuwonjezera kupezeka kwa ma styrene aku Asia. Pakadali pano, zida zapakhomo zaku China zomwe zimadalira styrene (mwachitsanzo, zowongolera mpweya, mafiriji) zimayang'anizana ndi kukwera kwamitengo ya US (mpaka ~80%), zomwe zikusokoneza gawoli. Chifukwa chake, mitengo yamitengo yaku US idzakhudza kwambiri bizinesi yaku China ya styrene kudzera kukwera mtengo komanso kufooketsa kufunikira kwakutsika.
Paraxylene (PX)
China imatumiza kunja pafupifupi PX ndipo imadalira kwambiri kuchokera ku South Korea, Japan, ndi Southeast Asia, popanda malonda achindunji aku US. Mu 2024, South Korea idapereka 22.5% ya US PX (matani 300,000 metric, 6% yazogulitsa zonse ku South Korea). Misonkho ya ku US ikhoza kuchepetsa kuyenda kwa South Korea PX kupita ku US, koma ngakhale itatumizidwa ku China, kuchuluka kwake kungakhale ndi zotsatira zochepa. Ponseponse, mitengo yamitengo yaku US-China idzakhudza pang'ono kupezeka kwa PX koma ikhoza kukakamiza mosalunjika kutsika kwa nsalu ndi zovala kunja.
"Misonkho yobwezera" yaku US ikonzanso kusintha kwa malonda padziko lonse lapansi kwa ma hydrocarbon onunkhira m'malo mosokoneza mwachindunji malonda a China ndi US. Zoopsa zazikuluzikulu zikuphatikiza kuchulukirachulukira m'misika yaku Asia, kuchulukitsidwa kwa mpikisano wopita kumayiko ena, komanso kutsika kwamitengo kuchokera kumitengo yokwezeka yazinthu zomwe zatha (mwachitsanzo, zida, nsalu). Makampani onunkhira aku China akuyenera kuyang'ana njira zogulitsira zomwe zatumizidwanso ndikusintha kuti zigwirizane ndi zosowa zapadziko lonse lapansi.
Nthawi yotumiza: Apr-17-2025