Zhongligong site is located on the eastern plateau of Zhongligong village in Yandian town. 1973 found during the cultural relics investigation. The site is about 250 meters long from east to west and 200 meters wide from north to south, covering an area of about 50,000 square meters. Rich in cultural connotation and about 2 meters thick, it is a cultural site in Shang and Zhou Dynasties. There are ash pits, stewed soil, caves and other relics exposed on the ground. The collected specimens include red pottery sand, pots, gray pottery sand, pot lid, clay gray Tao Ge, pot and other pottery fragments, as well as commercial tombs. This site is well preserved. 1985 was announced as a key cultural relics protection unit in Jining city. According to document Yan Zhengfa (2009) No.28, the scope of demolition protection is subject to landmarks, namely, east100m, west 200m, south 200m and north100m. The construction control zone extends in all directions from the outer edge line of the protection range 100 meter.
The control zone for the construction of Zhibei extends in all directions from the outer edge line of the protection scope 100 meter.
Yandian Town: Yandian Town is located at the junction of Wenshang, Rencheng, Jining High-tech Zone and Yanzhou, with an area of 102 square kilometers, and governs 66 administrative villages in four districts, with a population of 68,000 and10.7 million and an agricultural population of 65,000. Yandian Town has obvious traffic location advantages, rich resources and perfect environmental facilities. The primary industry agriculture is mainly characterized by meat ducks, peppers and seedlings. The secondary industry is dominated by food processing, adhesive tape, chemicals, machinery and building materials, accounting for more than 70% of the tertiary industry, and 90% of local fiscal revenue comes from the secondary industry.