L-Glutamine which made through fermentation has the advantages of low cost, fine quality, no strange odor as well as large output. Our company manufactures L-Glutamine through fermentation, which output rate and extraction refinement rate have reached the international advanced level, and the quality has reached the FCCIV standard of America. Since our refinement, desiccation and packing line accords with the requirement of GMP, We can offer the product in medical class.