Tangshan Sanyou Chemical Co., Ltd. Was established on December 28, 1999, is located in Caofeidian District, Tangshan City, on the coast of the Bohai Sea, with convenient transportation and obvious location advantages, is the core company of Tangshan Sanyou Group, is a key chemical backbone enterprise in Hebei Province, and is a well-known enterprise in the national soda ash and chemical fiber industry.

On June 18, 2003, Sanyou Chemical's A-share shares were listed on the Shanghai Stock Exchange. In 2005, the reform of equity division was completed. In 2011, the relevant assets of chemical fiber companies and salt chemical companies were injected into listed companies. In 2012, the injection of relevant assets of the mining company was completed, and the overall listing of the group's main business assets was realized. The total assets are 24.8 billion yuan, the annual operating income is 20.5 billion yuan, and the employees are 20, 000. The leading products are soda ash, viscose staple fiber, caustic soda, PVC, and silicone.

Over the years, the company has firmly established the scientific concept of development, conscientiously implemented the five development concepts, fully carried forward the enterprise spirit of "entrepreneurship and success, things are done by people", and has been adhering to the circular economy development concept of "product linkage, process connection, resource intensification, and industrial cluster". The main products are more than 100 varieties in 9 categories, and the products are exported to more than 100 countries and regions in Asia, Africa, Europe, the United States and Australia.