Peb lub Hoobkas muaj peev xwm muab cov ntaub ntawv carbon thiab cov khoom lag luam hauv ntau thaj chaw. Peb feem ntau tsim thiab muab cov graphite electrode nrog UHP / HP / RP qib, calcined petroleum coke (CPC), graphitization petroleum coke (GPC), Koob coke, graphite block thiab graphitepowder.
Peb cov khoom tau raug xa tawm mus rau ntau tshaj 10 lub teb chaws thiab thaj chaw (KZ, Iran, lndia, Russia, Belgium, Ukraine) thiab tau txais lub koob npe nrov los ntawm peb cov neeg siv khoom thoob plaws ntiaj teb.