Shanghai Yaxin Biotechnology company was founded in 2008,which is a high-tech enterprise
that focuses on researching and producing the recombinant proteins.YaxinBio is the first and only
a company on  researching and producing the recombinant carboxypeptidase B and recombinant
trypsin. Animal original free enzymes are specially used in the human recombinant insulin production, and exporting abroad