Koreya y'Epfo ni ihuriro ryisi yose yo kuzenguruka Nikel Fulfate, ryiganjemo korea zinc na kemco hamwe nubushobozi bwa buri mwaka bwa toni 80.000. Gutanga tekinoroji yateye imbere na tekinoroji yateye imbere hamwe na leta ishyigikiwe na leta, aba bakorera batanga ubuziranenge bwa Nikel kuri bateri y'ibinyabiziga, ubuvuzi, n'imiti. Abatanga Koreya ya Koreya yepfo batanga serivisi zuzuye kubakiriya mpuzamahanga, inama ikura ku isi no guhanga udushya no guhanga udushya, birambye, nubwiza.