Jiao defa is at the main hall level. On the morning of June 6, the signing ceremony of Jining Practice Base of Nanjing Forest Police College was held in Jining Forest Public Security Bureau. Jiao Defa, political commissar of the Forest Public Security Bureau of the State Forestry Administration, Dong Shuhua, party secretary and deputy director of the Provincial Forestry Department, deputy mayor, member of the party group of the municipal government and director of the Municipal Public Security Bureau Zhou attended the ceremony and held a discussion on the construction of Jining practice base of Nanjing Forest Police College.