Dry-blend a adding to the water slowly, agitating continually until smooth. Mix b together and add to a. Add small portions of a-b to c, triturating until smooth. Add d and mix until smooth. Liquid antacids are particularly difficult to formulate as they tend to settle with hard packing, or gel on aging. This formula is very stable on aging and is easily restored to its original viscosity by shaking.
地址：山东省烟台市开发区南昌大街48号
