Ma electrode a graphite amapangidwa makamaka ndi petroleum coke ndi singano coke, ndipo phula la malasha limagwiritsidwa ntchito ngati chomangira.Amapangidwa ndi calcination, kuwirikiza, kukanda, kupanga, kuphika, graphitization ndi Machining. kuyengedwa kwa carborundum, kapena kusungunula zitsulo zosowa, ndi Ferrosilicon plant refractory.