Awọn amọna graphite ti o ni agbara giga ni a ṣe lati inu coke epo epo ti o ni agbara giga (tabi coke abẹrẹ kekere-kekere). Ilana iṣelọpọ pẹlu calcination, batching, kneading, molding, yan, dipping, beking secondary, graphitization and processing. Awọn ohun elo aise ti ori ọmu ti wa ni wole epo coke abẹrẹ, ati awọn isejade ilana pẹlu fibọ lẹmeji ati mẹta yan. Awọn ohun-ini ti ara ati ẹrọ jẹ ti o ga ju awọn ti awọn amọna graphite agbara lasan, gẹgẹ bi resistivity kekere ati iwuwo lọwọlọwọ giga julọ.