8545200009 under HS Code CARBON ELECTRODES, CARBON BRUSHES, LAMP CARBONS, BATTERY CARBONS AND OTHER ARTICLES OF GRAPHITE OR OTHER CARBON, WITH OR WITHOUT METAL, OF A KIND USED FOR ELECTRICAL PURPOSES BRUSHES and 3801900009 under HS Code ARTIFICIAL GRAPHITE; COLLOIDAL OR SEMI-COLLOIDAL GRAPHITE; PREPARATIONS BASED ON GRAPHITE OR OTHER CARBON IN THE FORM OF PASTES, BLOCKS, PLATES OR OTHER SEMI-MANUFACTURES OTHER were the top exported HS Codes by JOINT STOCK SOCIETY RESEARCH INSTITUTE OF ELECTROCARAL PRODUCTS in 2021.