We are a science and technology corporation. Our company gathers science study and product as the whole.It's organized by famous biochemistry specialists and professors from China Pharmaceutical University. We main manufacture natural extracting products and marine organisms series products. Our bear gallbladder product is golden yellow pieces. And it's Tauroursodeoxycholic acid content>25% and FOB ShangHai,China USD1480/kg. It is one of the best quality products in world.