Zhongyan Inner Mongolia Chemical Co., Ltd. (hereinafter referred to as "Zhongyan Chemical", stock code: 600328) is an important chemical enterprise and listed company under China Salt Industry Group Co., Ltd. The predecessor was "Jilantai Salt Field" founded in 1953. After completing the company reform in 1996, Jilantai Salt Chemical Group Company was established. In 1998, Jilantai Salt Chemical Group Company was established as the main initiator. Co., Ltd., Lantai Industrial was listed in 2000, and the company was transferred to China Salt Industry Group Co., Ltd. in 2005. In 2019, it completed a major asset restructuring based on the Lantai Industrial listed company platform. In June 2020, Lantai Industrial Company was renamed New "China Salt Inner Mongolia Chemical Co., Ltd.". In 2023, the company's total assets were 18.3 billion yuan, annual operating income was 16.1 billion yuan, annual taxes and fees were 1.625 billion yuan, and more than 8,500 employees were paid. Zhongyan Inner Mongolia Chemical is a large cross-regional and cross-industry enterprise group with resource advantages, location advantages, technical advantages and management advantages.

China Salt Inner Mongolia Chemical Industry is known as the brilliant "desert pearl" in the secret land of the northern border. The enterprise was born from salt. Chemical industry started with sodium metal, and two alkalis and two resins to advance into the era of chemical industry. By continuously strengthening, replenishing and extending chains, it has been built with "two alkalis," The leading salt chemical industry cluster with two sodium and two resins has become a large enterprise with a large scale across multiple provinces and regions, multiple industries and a considerable scale. At present, the company's main production equipment includes: a 400,000 tons/year polyvinyl chloride production line with complete domestic resources, a 230,000 tons/year paste resin production line with a large domestic production scale, a 600,000 tons/year calcium carbide production line, and 360,000 tons/year Annual caustic soda production line, 750,000 tons/year clinker and supporting 1.06 million tons/year cement production line, 2×135MW self-produced power plant, 65,000 tons/year metal sodium production line with a large world production capacity, has been included in the National 863 Plan Project The 800-ton/year nuclear-grade sodium production line, the 110,000-ton/year sodium chlorate production line with a large domestic single production capacity, and the 3.9 million-ton/year soda ash production line.