?????????? 3? 2??? 5? 8??? ?? ???, ??? 4?? ?? ????? 4400?? ???? `?? ??? ?? ?? ??'? ?? ??? ??, ????? ??? ?? 1?? ???? 15? ???.

2?? ??? ???? 1??? ???? ????, ?? ?????, SK???, LG??, ?????, CJ????, STX????, GS???, ??SDI? ??? 10??? ??? ???.

???? ????? SK???? 2? ?? 1?? ???. ?? ????, KB????, ??????, ????, KT, ??????, ?????, ????, ??SDS? ?? ???.

???? ?? 2??? ??? ? ???? ?? ??? ??, ????, ???? ? ??? ??? ? 4? ??? ??????? ??? ??? ?? ????.

44? ????? ???? ?? ???(??), LG??(????), ??(????), LS??(??.???), ????(???.????.????), ?????(??? ??), ?????(??), CJ????(??) ?? ??? 1?? ????.

?????? ????(????), ???(???), NHN(??????), ????(??), ????(??) ??, ?????? ??????(?? SOC), ?????(???? ???), ??????(??SOC) ?? 1?? ????.

??? ???