- In January 2021, Andhra Sugars which is an Indian company has announced plans to increase its caustic soda manufacturing capacity to 900TPD from its existing capacity of 500TPD
- In January 2021, Shin-Etsu Chemical Co. has announced the plans to further increase its manufacture capacity of caustic soda by 390,000 m.t. /yr. This project construction is expected to be finished by the end of the year 2023
