Caofeidian Eco-city. The newly-built University Town of Laoting Port is located in Caofeidian Eco-city. Relying on the location advantage adjacent to Jingtang Port Area of Tangshan Port, it strives to build Laoting Economic Development Zone. Laoting County, relying on the location advantage adjacent to Tangshan Port, strives to build Laoting Economic Development Zone, and continuously optimizes the business environment by improving infrastructure and undertaking the industrial transfer between Beijing and Tianjin.