Le yi-400mm ububanzi, i-electrode yegraphite yamandla aphezulu. Eyona electrode yegraphite esemgangathweni yaseTshayina. I-electrode yegraphite eveliswe yifektri yethu inomgangatho olungileyo, ukusebenza okuzinzileyo, ukusetyenziswa okuphantsi, iinkcukacha ezipheleleyo, ukuhanjiswa ngokukhawuleza kunye nenkonzo elungileyo.