Amino Acid Manufacturer & Bulk Supplier | GMP Certified Since 1974

FEATURED PRODUCTS

Amino Acids
Compounded Salts of Amino Acids
New Products

L-Leucine

Our main promoted product

It is one of the 20 amino acids that make up protein and one of the eight essential amino acids required by the human body.

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Yichang Sanxia Proudin Biopharmaceutical Co., Ltd. is a specialized and sophisticated "little giant" enterprise with 350 million yuan registered capital and it is a high-tech manufacturing enterprise dedicated to research, development and production of high-end amino acid series raw materials by Fermentation. We began to produce amino acids of fermentation pharma grade since 1974, and is one of the earliest enterprises producing fermented amino acids in China.

Number of employees

Annual production capacity

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QUALITY & CERTIFICATIONS

GMP
Halal Certificate
EDQM granted CEP certificate for our Isoleucine
EDQM granted CEP certificate for our Isoleucine
Kosher Certificate
Written confirmation for active substances exported to EU
Written confirmation for active substances exported to EU
Accrediation certificate of foreign drug manufacturer
Food Safety Management System Certificate FSSC22000
Production License
Production License

Our new products - amino acid complex salts have been launched

Sep.

15, 2025

Our new products - amino acid complex salts have been launched

Sep. 15, 2025

Recently, we has successfully developed and launched three new products of amino acid complex salts: L-lysine-L-glutamate, L-lysine-L-aspartate, and L-arginine-L-aspartate. Currently, we are supplying these products to overseas customers.
Remember history and continue bloodline

Jul. 02, 2025

The Three Gorges Punotin Party Branch went to Dongshan Martyrs Cemetery to carry out the theme party day activity of "Commemorating the Loyal Souls of Heroes and Carrying Forward the Spirit of Heroes"
Unlock the code of clean production in the fermentation industry and build a future of learning-oriented enterprises

Apr. 27, 2025

The company has always been deeply aware of the importance of improving the quality of employees and creating a learning atmosphere. Employees are the most valuable asset of an enterprise.

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