We are factory specializing in the manufacture and export of amino acid in China, can supply DL-Methionine, Glycine, L-Methionine, L-Tryptophan, L-Threonine, L-Lysine HCL, DL-Alanine, L-Proline and L-Hydroxyproline with good quality and competitive price for long term. We have own our factory which has gained the ISO9001:2000 international organization for standardization certificate.
