Ranked eighth. Shanxi Tianji Coal Chemical Industry Group Co., Ltd. is located in Lucheng City, Shangdang Basin. It was formerly known as Shanxi Fertilizer Factory. In the early 1980s, my country introduced a complete set of 11 patented technologies and equipment from eight countries, including Germany, Japan, France, and Norway. It is the first large-scale modern enterprise to produce high-efficiency compound fertilizer using coal as raw material. After nearly thirty years of development, it has now formed a large-scale coal chemical industry group with multiple products and cross-regions, focusing on chemical fertilizers and integrating organic chemicals, coal deep processing, fine chemicals, etc. The company has passed ISO9002 quality system certification, ISO14000 environmental system and measurement system certification, and has been recognized by national laboratories and national technology research and development centers. Tianji Group's self-developed "Research on the Development and Application of Large-Scale Luqi Coal-Ammonia Production Process Technology" won the second prize of the National Science and Technology Progress Award. "Tianji" brand nitric acid phosphate fertilizer combines "China's famous trademark" and "China's famous brand product". The "Tianji" trademark was rated as "China's Most Valuable Brand" with a value of 2.97 billion yuan. The company has won the "National May 1st Labor Award" and been rated as "China's Scientific and Technological Innovation Demonstration Enterprise in the Chemical Industry", "Top Ten Enterprises with Independent Innovation Capabilities in the National Fertilizer Manufacturing Industry" and "National Advanced Unit for Chemical Environmental Protection". In 2006, it won the A second-level safety and quality standardization enterprise in Shanxi Province, it was awarded the Advanced Unit of Production Safety in Shanxi Province in 2007 and won the title of “National Advanced Group in the Petroleum and Chemical Industry” in 2008.