Ningxia Eppen’s L-tryptophan production technology upgrading project

On 3 January, Ningxia Eppen Biotech Co., Ltd. (Ningxia Eppen) published the EIA report of its L-tryptophan production technology upgrading project in its homepage. In the project, there is no newly-added production capacity. And new technologies will...

Amino Acids China E-News 202001

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