Manufacturing is Jiujiang 's backbone today with auto , machinery , petrochemical , shipbuilding and textiles as its cornerstones .
Until 1949 Jiujiang had very little industry except for local handicrafts .
Manufacturing is Jiujiang 's backbone today with auto , machinery , petrochemical , shipbuilding and textiles as Jiujiang 's cornerstones .
Until 1949 Jiujiang had very little industry except for local handicrafts .