Zhejiang Guoguang Biochemistry Co.,Ltd. is founded in 1994 located in High-tech park Quzhou Zhejiang, with plant area of nearly 150000 square meters.


Our current products are Itaconic Acid and Feed Grade L-Threonine. At present, the production scale of Itaconic Acid has already amounted to 15000 MT per year and will forward to 20000 MT per year, the production scale ranks the forefront of the world. The current production scale of Feed Grade L-Threonine is 12000 MT per year.