Malinga ndi mbiri ya kasitomu, ku China kutulutsa konse kwa ma electrode a graphite ku China kunali matani 46,000 mu Januware-February 2020, chiwonjezeko chapachaka cha 9.79%, ndipo mtengo wonse wotumizira kunja unali madola 159,799,900 aku US, kutsika pachaka kwa 181,480,500. madola aku US. Kuyambira 2019, mtengo wamba waku China ...
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