Iyunithi yokuqala yehlabathi ye-asidi yokuchola i-aluminiyam-magnesium iyunithi yavavanywa ngempumelelo eshushu eHebei Taihang Iron kunye neNsimbi.
Kutshanje, iyunithi ye-asidi ekhokelayo kwihlabathi jikelele yokuchola ialuminiyam-magnesium iyunithi, efunyenwe yi-MCC Southern
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