Njengamanje, uwoyela ongahluziwe uvaliwe ngenxa yokushaqeka futhi wehla, imakethe yaseMpumalanga China yehla ngaphakathi kobubanzi obuncane, ukusabalala kwe-bid-ask kwanda, kanti imakethe yaseNingizimu China yehla ngaphakathi kobubanzi obuncane. Ngaphandle kwe-Liaotong Petrochemical, izingcaphuno zezinye izindawo zokucwenga bezizinzile okwesikhashana. Nakuba i-OPEC inqume ukwandisa umkhiqizo kancane, izinqolobane zikawoyela ongahluziwe wase-US zanda, isidingo sikhathazekile ngamanani kawoyela, kanye nokuqiniswa kwezinga lokushintshana ngedola laseMelika kwacindezela imakethe kawoyela yesikhathi esizayo ephethwe yidola laseMelika. Amanani kawoyela wamazwe ngamazwe avaliwe; Ngokuyinhloko, ukuthengiselana komthengisi akukuhle, ukuthengiselana kwangempela kubuthakathaka, futhi kukhona ukuntuleka kokwenyuka kwe-toluene. Sekukonke, ukwesekwa okuhle kunqunyelwe, futhi imakethe yamanje ye-toluene yehle ebangeni elincane.