Huzhou Aotesi bio-chemical Corp has passed the evaluation of ISO9001 certification and has been honored as "High and New Technique Business Enterprise in Zhejiang Province". Our products have already attained several nation invention patents. We enjoy abundant silk resources in Huzhou. We are growing with the help from Shanghai Branch of Chinese Academy Sciences, Zhejiang University's Animal Graduate School and Zhejiang Industry and Business University Food Institute. By using living creature quality and directional enzyme cut high-tech crafts, we have independent intelligent right of functional instant sericin powder, silk amino acid complex (fibroin) and silk peptide powder, silkworm aminophenol and natural fibroin. Our company is located in Huzhou Economic Development Area, covering an area of 9000 square meters with a factory building of 5500 square meters. We have complete water, hot supply and integrated product flowing line. We built up a strict quality control system according to national food and medicine standard in our production. Our techniques and crafts have already reached international advanced level. Our products are environmentally friendly and they are widely used in food, health care, medicine, cosmetic and clothing industry. We can also provide homologous silk egg white products according to customers' needs. We export our products to Europe, America, Japan and Southeast Asia.