As a leading manufacturer of Silk Protein, Silk Amino Acids, Sericin, Silk Fibroin, Silk Peptide, Hydrolyzed Silk, Silkworm Pupa powder in China, Huzhou Aotesi Biotechnology Co.,Ltd has passed ISO9001 certification and won over the honor of high and new technique business enterprise in Zhejiang province with several national invention patents.

Relying on the abundant silk resource of Huzhou and cooperating with Shanghai branch of Chinese Sciences Academy, Animal Graduate School of Zhejiang University, Food Institute For Research of Zhejiang Industry and Business University, our company makes use of living creature quality, directional enzyme cut high-tech craft, and we have independent intellectual property rights of functional instant Sricin powder, Silk Mixed Amino Acid (Silk Fibroin) and Silk Peptide powder, Silkworm Aminophenol, Natural Fibroin, etc.

Located in Huzhou's economy development zone, our company has a size of 9000 square meters, including 5500 square meters of factory building which owns complete water and hot supply, as well as integrity production flowing line. We have built up a strict quality control monitor system, and we produce standardized production according to national food, medicine class standard.
Our company plays a leading role in the technique and production scale of the production craft authenticated by expert within the country, and has reached international advanced level.

Our products, such as Silk Sericin, Silk Amino Acid, Silk Peptide, Hydrolized Silk powder, Silkworm Pupa powder, are natural green organic, and can be extensively applied in food, the health care production, medicine, cosmetic, clothing, etc. Our company can also provide homologous silk egg white products according to customers' need. What's more, our product has already been exported to Europe and America, Japan and Southeast Asia, etc.

If you have any interest in our products, please contact with us at any time. We will always do best to support you for mutual win-win.