Sichuan Keruisen Bioengineering Co, Ltd is one of the leading manufacturers in S-abscisic acid industry in China.

The company started in 2000, beginning with producing Bacillus thuringiensis. After 4 years development, the production capacity of BT reached 1000 ton/year. In 2009, we started a new project to produce S-(+)-abscisic acid by our own fermentation technology. In 2013, we built a new production line for S-ABA, and reached production 5000kg/year now.