Hello Sir, We are big buyer for Ox Gallstone/Cattle Gallstone/Cow Gallstone of the gallbladder from China, we can buy 100KG/month natural gallstone, we can buy the whole gallstone, the broken and the powder. If you have it, please tell me. Mr Rayson,WeChat/WhatsApp/Mob:+8615811808671, Skype:rayson1986 Show More