???? ? ??PTC、 PC、 PHC????? ???? ???? ????.
????? 260?? ??????2? ????9? ??????15? ???? ?????57? ??????69?????.
???? ??? ?????? ???? , ? ???21? ???(?3780??), ? ????300000㎡ .???? ??? ?????????.? ????? 16? ?????? ???? ?? ?????. ????:PHC400AB95 ,PHC500AB125,
????:2014?5? – 2015?3? ,?????:35800m.