Mu theka loyamba la 2022, octanol adawonetsa kukwera asanapite chammbali kenako kutsika, mitengo ikutsika kwambiri chaka ndi chaka. Mwachitsanzo, pamsika wa Jiangsu, mtengo wamsika unali RMB10,650/tani koyambirira kwa chaka ndi RMB8,950/tani pakati pa chaka, ndi aver...
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