We are the one of the largest manufacturers/suppliers of high quality dried natural ox/cow gallstone cow gallstones, or Bezoar Bolus (??,??, XiHuangwan, Niu huang, Calculus bovis, Bezoard). We are constantly selling ox gallstones (bezoar, bovis, niuhuang, xi huang wan) worldwide for the best prices. for pharmaceutical use. Our company is produces more than 110kgs of stock monthly.Our product is for pharmaceutical use, so we supply well dried natural ox/cow gallstone without any moulds and blood pipes obtained from disease free cattle.We sell cheaper then the current price in international market today and our prices depends on ratio of wholestone / brokenstone.