Petroleum coke lub ntsiab coke tus nqi ruaj ntseg, coking nqi fluctuates, hloov ntau yam 20-150 yuan, downstream ntau ntawm kev thov yuav Petroleum coke Xav-sab muas yog ceev faj, coke nqi fluctuate thiab consolidate Lub domestic kev lag luam pauv zoo, lub ntsiab coke nqi tuav ruaj khov op ...
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