What is the level of social security in Zhongyuan Oilfield?

Social security in Zhongyuan Oilfield belongs to the municipal level. Zhongyuan Oilfield is a unit under the jurisdiction of Henan Province, at the same level as Puyang City, and has its own social security center. Please go to Zhongyuan Oilfield Medical Insurance Bureau for reimbursement of medical expenses, so Zhongyuan Oilfield social security belongs to the municipal level. Zhongyuan Oilfield, the second largest oil and gas field under Sinopec Group, is headquartered in Puyang. The main exploration and development areas include Dongpu sag, Puguang gas field and Inner Mongolia exploration area.