Shengli Oilfield Zhongsheng International Petrochemical Group Co., Ltd. is a wholly-owned subsidiary of Li You Daming Group Co., Ltd., which was established in June 2002 with a registered capital of 50 million yuan. It owns three wholly-owned enterprises and one shareholding enterprise: Dongying Zhongsheng Sulfonate Base Oil Co., Ltd., Shengli Oilfield Zhongfu Petroleum Technology Development Co., Ltd., Shengli Oilfield Zhongsheng Environmental Protection Co., Ltd. and Zhongqing Bide (Beijing) Petroleum Technology Co., Ltd.
Shengli Oilfield Daming Group Co., Ltd. (hereinafter referred to as Daming Group) was restructured and established by China Petrochemical Shengli Oilfield Daming (Group) Co., Ltd. 12 Enterprise, and was officially unveiled on March 18, 2008. In other words, Daming Group has been separated from Shengli Oilfield, which means that Zhongsheng Petrochemical and Shengli Oilfield have no affiliation.