Huzhou Aotesi Business Corporation 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.