Founded in December 2004, covering an area of 1200 acres. In June 2018, Yongeng Group and Shandong Energy Group implemented mixed-ownership reform, and restructured the equity of Yankuang International Coking Co., Ltd. Yongeng and the large state-owned enterprises in the province have made solid progress in promoting mixed-ownership. Shandong Yankuang International Coking Co., Ltd is a cokemaking enterprise approved by the Ministry of Industry and Information Technology. At the end of 2019, it was recognized as a key monitoring point for the's chemical industry. The main production equipment is two 7.63-meter ultra-large top-loading coke ovens representing the advanced level of domestic coke technology and a coke oven gas to methanol unit. The product quality ranks first in the same industry in the province and is at the leading level in the country. In recent, it has vigorously implemented the upgrading of environmental protection treatment and achieved ultra-low emissions.