In 2022, China Telecom, China Mobile, Jiangsu Electric Power Company, Jiangsu Electric Power Engineering Company, Jiangsu Electric Power Equipment Company, China Petroleum and Natural Gas Group Company, Jiangsu Petrochemical Company, Jiangsu Petroleum Exploration and Development Company, Jiangsu Petrochemical Machinery Company, Jiangsu Investment Group Co., Ltd., Jiangsu Finance Bureau, Jiangsu Investment Group Co., Ltd., Jiangsu Financial Services Co., Ltd. and Jiangsu Rural Credit Cooperatives.
Yancheng Dafeng, located in Yancheng City, Jiangsu Province, is a national-level development zone integrating economic and social development, scientific and educational cultural construction and cultural protection.