Poona za zomwe zachitika posachedwapa wa mphira, makampani ogulitsa a Sicoma ndi ma petrochina ali ndi zizindikiro zowoneka bwino za mitengo yokhazikika {a 1}
Kuchokera pamsika, mbali yamtengo wapatali: Sinopec East China Canadiene Mtengo wa 9, {1} yuann Kupanga rapu ya Styrene-buradiene njira yopangira bizinesi yakhala ikutayika kale kwa migodi ya angyrene-} {{15}
Patulani: Kugwiritsa ntchito mabizinesi a rayrene-buradiene kuli pafupifupi 5 {{} 7% {{12}: Foshin Pertrochemical's styrene-butadiene chomera chimakhala ndi gawo limodzi; Yangzi Petrokemical's infrion-yotentha; Lanzhou Petrokemical's infrical-refy. Julayi 12 jilin Petrochemical dome ku Benzene mbewu idayimitsidwa pazifukwa zina {15}
Mitundu Yofananira: Mbengani mphira walembedwa pa Ogasiti 12th. Kuchuluka kwa zinthu zopangira ku Yunnan kupanga kunali kofanana ndi Meyi ndi June, ndi matayala a Trable Chuma
Pali zovuta zotsika kwambiri pazachuma zapadziko lonse lapansi . zosatheka {6} kuchokera pamlingo wa macroecococococonce komanso kuchuluka kwa ndale, pamakhala maluso anthawi yayitali a styrene-butadiene kwezani {{9}
Kutengera kusanthula kwa zinthu zomwe zili pamwambapa, rayzhong amakhulupirira kuti mphira wa styrene ali mu August Zotsatira ziwiri zazikuluzikulu za msika wa styrene-butadiene, ntchito ya mtundu uliwonse modabwitsa ndi yosasunthika komanso yosasunthika, ndipo chitukuko cha msika wamtsogolo chitha kuyembekezeredwa {{7}