Our graphite electrodes has the following feature: 1 Lower electric resistivity, good electric and heat conductivity; 2 High mechanical strength under high temperature; 3 High resistance to thermal shock and mechanical vibration; 4 Lower ash content; Dia150-600mm,L.1200-2700mm, RP,HP and UHP grade BEST REGARDS MR. MA FUHUA ADD:JILIN CITY JILIN PROV CHINA