ZHEJIANG ZHENYUAN BIOTECH CO., LTD.

L-HISTIDINE, L-HISTIDINE HYDROCHLORIDE, L-TYROSINE, L-SERINE, L-THEANINE, LEVODOPA, Zhenyuan BiotechThe products include amino acids, antioxidants, health sugars, functional fatty acids, etc., which are mainly used in medicine, food, health products, feed and other fields.