JL MAG(2018? 9? 21? ?? ?? ??? ??, ????: 300748)? ??? NdFeB ????? ????, ??, ???? ???? ?????, ?? ??? ?? ? ???? ?? ?? ??? ???? ???????. JL MAG ??? ??? ??? ? ?? ???, ??? ??? ??? ???, ?? ???, 3C?????(Computer, Communication, Consumer’s Electronics), ??? ??? ?????, ??/?????? ? ?? ???? ?? ????, ??? ??? ?? ??? ?? ?? ???? ?????? ???? ????? ?? ????.