History
1947: Yonghua Caustic Soda Company founded, specializing in sulphur black and Sodium sulfide production. 1957: Sodium sulfide product is recognized as “Flagship Sodium Sulfide” on the international market. 1959: China invents new kiln gas technology for producing barium carbonate and starts exporting it the same year.
Developing C1 chemicals focused on coal gas, in combination of synthetic gas resources; greater cooperation with petrochemical industry to expand industrial chain, mainly targeting chemical intermediates