Fektheri ea rona e ka fana ka lisebelisoa tsa carbon le lihlahisoa libakeng tse ngata. Haholo-holo re hlahisa le ho fana ka electrode ea graphite e nang le UHP / HP / RP grade, calcined petroleum coke (CPC), graphitization petroleum coke (GPC) , nale coke, graphite block le graphitepowder.
Sehlahisoa sa rona se rometsoe linaheng tse fetang 10 le libakeng tse ling (KZ, Iran, lndia, Russia, Belgium, Ukraine) 'me re na le botumo bo phahameng ho tsoa ho bareki ba rona lefatšeng ka bophara.