Okwangoku, i-oyile ekrwada ivalwe kukothuka kwaye yawa, imakethi ye-East China yawela phakathi koluhlu olumxinwa, i-bid-ask yanda, kwaye imakethi yase-China yase-China yaguquguquka kuluhlu olumxinwa. Ngaphandle kweLiaotong Petrochemical, iikowuteshini zezinye iindawo zokucokisa bezizinzile okwexeshana. Nangona i-OPEC igqibe kwelokuba inyuse imveliso kancinane, uluhlu lwe-oyile ekrwada yase-US kunye nepetroli lonyukile, imfuno enexhala malunga namaxabiso eoyile, kunye nokomelezwa kwezinga lokutshintshiselana ngedola yaseMelika kucinezele imarike yekamva yeoli yedola yaseMelika. Amaxabiso eoli kumazwe ngamazwe avalwa; Ngokukodwa, ukuthengiselana komrhwebi akulunganga, ukuthengiselana kwangempela kubuthathaka, kwaye kukho ukungabikho kokunyusa i-toluene. Ngokubanzi, inkxaso efanelekileyo iyancipha, kwaye imarike ye-toluene yangoku iwile kuluhlu oluncinci.