What are the tertiary units in Gudao, Hekou District, Dongying City, Shandong Province?

Water supply company. Gudao Oil Production Plant is located in Gudao Town, Hekou District, Dongying City, Shandong Province, and belongs to Shengli Oilfield Co., Ltd. of China Petrochemical Group. It is a second-level backbone enterprise focusing on oil and gas exploration, development and production, with 9726 employees and 29 third-level units, including water supply companies. It has jurisdiction over six oil fields, namely Gudao, Kenli, Kenxi, Gunan, Hetan and Xintan, with a geological reserve of 478.9 million tons and a cumulative oil production of 6,543.