Jiangyin Longson Bio-tech development Inc is a high-tech company eagle in manufacturing effective herbral monomers and standard plant extracts (P.E.).We can supply monomers, such as Rutin,Baicalin,Amygdalin,Ursolic acid,limonin, Glycyrrhizic acid, Chlorogenic acid, Paeoniflorin, Gardenoside, Paeonol, Apigenin, Naringin, Naringenin, Astragalus P.E. , Soybean Isoflavones, Epimedium Extract and so on.　 
“Do our best for our customers” is a slogan of longson company all along, and also assurance of high quality of our products.
Longson people will expand hard continuously and contribute better services to our customers. Welcome to choose our products and services!