"'''Pinggu'''" . . "Pinggu County" . . "Beidulehe" . . "Pinggu District" . . "PingguYukou Economic Development Area" . . . "Pingu" . . . . . . . . "Dayuzi" . . "Ping Gu" . . . . "Pinggu" . . "Pinggu District" . "Pinggu Co." .