Yellow River Estuary Oil Culture: In the 1960s, Shengli Oilfield was discovered on the magical land at the Yellow River Estuary. The oil war brought together oilmen from all over the country, forming the unique oil culture of the Yellow River Estuary. This course will lead you to retrace the victory road of discovering Shengli, developing Shengli and heading towards Shengli, and enjoy the charm of the Yellow River Estuary petroleum culture.