Ụlọ ọrụ mmepụta ihe anyị nwere ike inye ihe na ngwaahịa carbon n'ọtụtụ ebe. Anyị na-emepụta ma na-enye Graphite Electrode na ihe ndị ọzọ dị ka UHP/HP/RP na graphite electrode scrap, Recarburizers, gụnyere calcined petroleum coke (CPC), calcined pitch coke, Graphitized petroleum coke (GPC), Graphite Electrode Granules/fines na gas calcined Anthracite.