The company was founded on December 28, 1999, and the company's A-share shares were listed in Shanghai on June 18, 2003. In 2005, the equity distribution reform was completed. In 2011, assets related to chemical fiber companies and salt chemical companies were injected into listed companies. In 2012, the injection of assets related to mining companies was completed, and the overall listing of the Group's main business assets was achieved. It is a key chemical backbone enterprise in Hebei Province, and is a well-known enterprise in the soda ash and chemical fiber industry in the country. The company is mainly engaged in the production and sale of a series of products such as soda ash, viscose staple fiber, caustic soda, polyvinyl chloride, and mixed methylcyclosiloxane. The main products include soda ash, calcium chloride, caustic soda, polyvinyl chloride, mixed methylcyclosiloxane, viscose staple fiber, etc. Company honors: Chlor-Alkali High-tech Enterprise, Most Influential Brand, National Industrial Brand Cultivation Demonstration Enterprise, Chemical Fiber: China's Famous Trademark, etc.