It has an area of 1420 square kilometers and a population of 803,400 in 2009 . Pengzhou is famous for being one of the three national bases of peony plantation and one of the five national bases of vegetable plantation and merchandise . Pengzhou 's industry varies from pharmaceutical to petrochemical . The newly built oil refinery attracts a total investment of 38 billion yuan , considered to be the biggest single investment of Sichuan Province since 1949 . Like other regions around the area , Pengzhou was badly affected by the 2008 Sichuan earthquake
2008 Sichuan earthquake
2008 Sichuan earthquake
Pengzhou