| 1 | The centuries-old Qilu culture has nurtured this vast fertile land. | |
| 2 | Caoqiao Guangrao Buried hill is situated in the south section of the south slope of Dongying Depression and developed in late Indosinian stage. | |
| 3 | And the processing technology of spiced donkey meat, donkey meat jerky, sausage of donkey meat and Guangrao donkey meat were introduced. |