1. This product is a dried gallstone from Bos taurus domesticus Gmelin; 2. This product is mostly oval, spherical, triangular or square, the size is different, diameter 0.6 ~ 3 (4.5) cm, a few are tubular or fragmented; 3. Moisture must not exceed 9.0%; 4. Total ash content must not exceed 10.0%; 5.Contains not less than 4.0% cholic acid (C24 H40O5); 6.Contains not less than 25.0% bilirubin (C33 H36 N4O6) 5kg per month starting Show More