This product has awarded the certificates of GMP and CEP. As an Active Pharmaceutical Ingredient, it is widely used in tapped density tablets, and can increase the nutrition ingredient in compound vitamin tablets as fillers. To keep with the higher domestic and international requirements, on the basic of USP28, We puts forward a new higher pharmaceutical Calcium Carbonate standard, YBH0581(2004), which is better than CP2005 and has won the ratification from SFDA China. The product strictly conforms to CP, USP, EP, and BP Standard. Some specifications also can be adjusted according to the customers special demand, such as particle size and bulk density.