Izi ndi 400mm m'mimba mwake, High mphamvu graphite elekitirodi. Ma elekitirodi abwino kwambiri a graphite aku China. Ma electrode a graphite opangidwa ndi fakitale yathu ndiabwino, magwiridwe antchito osasunthika, osagwiritsa ntchito pang'ono, mafotokozedwe athunthu, kutumiza mwachangu komanso ntchito yabwino.