Ụlọ ọrụ mmepụta ihe anyị nwere ike inye ihe na ngwaahịa carbon n'ọtụtụ ebe. Anyị na-emepụta ma na-enye electrode graphite na ọkwa UHP/HP/RP, calcined petroleum coke (CPC), graphitization petroleum coke (GPC) ,Needle coke, graphite block na graphite powder.
Ebupụla ngwaahịa anyị na ihe karịrị mba iri na mpaghara mba ofesi (KZ, Iran, India, Russia, Belgium, Ukraine) ma nweta aha ọma site n'aka ndị ahịa anyị n'ụwa niile.