Feme ea rona e ka fana ka thepa le lihlahisoa tsa khabone libakeng tse ngata. Re hlahisa le ho fana ka li-electrode tsa graphite haholo-holo ka sehlopha sa UHP/HP/RP, coke ea petroleum e nang le calcined (CPC), graphitization petroleum coke (GPC), nale ea coke, graphite block le graphite powder.
Sehlahisoa sa rona se rometsoe linaheng le libakeng tse fetang 10 tsa kantle ho naha (KZ, Iran, India, Russia, Belgium, Ukraine) 'me se fumane botumo bo phahameng ho bareki ba rona lefats'eng lohle.