Shanxi Meijin Energy (山西美锦能源股份有限公司) is a company that manufactures and sells coking coal. Its products include coke, coal, chemical products, ammonium sulfate, and natural gas. The company is also involved in ecological protection and environmental governance, sewage treatment, sewage treatment engineering design, and environmental protection engineering activities; research, development, production, and sale of road, tourist, and city buses.