Ngokusho kwedatha yamasiko, inani eliphelele lama-graphite electrode eChina lalingamathani angama-46,000 ngoJanuwari-Februwari 2020, ukukhuphuka konyaka ngo-9.79%, futhi inani eliphelele lokuthekelisa lalingamadola aseMelika angama-159,799,900, ukwehla konyaka ngonyaka ngo-181,480,500. Amadola aseMelika. Kusukela ngo-2019, intengo iyonke ye-gra...
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