Handan Qifeng Carbon Co., Ltd. ni uruganda runini rwa karubone mu Bushinwa, rufite uburambe bwimyaka irenga 30, rushobora gutanga ibikoresho bya karubone nibicuruzwa mubice byinshi. Dutanga cyane cyane ibyongeweho bya Carbone (CPC & GPC) hamwe na electrode ya grafite hamwe na UHP / HP / RP; ibishushanyo mbonera; ifu ya grafite.