HN Langyue Biotech Co., Ltd is specialized in manufacturing of high quality ingredients for the pharmaceutical, nutraceutical, cosmetics and food industries.Our ProductOur Main products:Botanical extract, Vanillyl butyl ether, Tetramethylpyrazine, Cetilistat, Arbutin, Magnesium L-Threonate, Perillartine, Perill aldehyde, Tranexamic acid, Ferulic Acid, L-Norvaline, L-Glutathione reduced, Kojic acid, Arbutin;AA2G, Nicotinamide Mononucleotide (NMN), Noopept, Doxepin Hydrochloride, 3 3'-Diindolylmethane DIM.Product ApplicationPharmaceutical, nutraceutical supplement, cosmetics and food industry