Qhov no yog 450mm txoj kab uas hla, ultra siab zog graphite electrode. Tuam Tshoj tus zoo graphite electrode. Cov graphite electrodes uas tsim los ntawm peb lub Hoobkas yog cov khoom zoo, kev ua haujlwm ruaj khov, kev siv tsawg, kev ua tiav, kev xa khoom sai thiab kev pabcuam zoo.