A na-emepụta electrodes graphite dị elu site na petroleum coke (ma ọ bụ coke agịga dị ala). Usoro mmepụta gụnyere calcination, batching, kneading, molding, baking, dipping, secondary baking, graphitization and processing. A na-ebubata ihe dị n'ọnụ ọnụ mmanụ coke, na usoro mmepụta na-agụnye ịkụnye ugboro abụọ na achịcha atọ. Ya anụ ahụ na n'ibu Njirimara dị elu karịa ndị nkịtị ike graphite electrodes, dị ka ala resistivity na elu ugbu njupụta.