???? ? ??PTC、 PC、 PHC????? ???? ???? ????.
????? 260?? ??????2? ????9? ??????15? ???? ?????57? ??????69?????.
??? ??? ????? ????. ????380000㎡,? ???? 700000㎡.???? ,??, ????? ?? ???? .???? PHC400AB95, ????:2012?5? - 2012?11? , ?????:28500m.