Shanghai NuoCheng Pharmaceutical Co. Ltd was founded in 1990, which is specially engaged in developing and manufacturing of calcium carbonate (caco3) series products. Since more than ten years da yu has gained high reputation in domestic and oversea markets depending on its superior products and sincerity service. Nowadays, our products have widely exported into America and European markets. Along with its productive practice, our company has already accumulated very rich experience of production. our company also has already possessed a high quality team of staff members, including 12% of engineers, 18% of quality assurance and 20% of marketing and administrations personnel. our company has built a 300000 level of hvac area for pharmaceutical manufacturing, it completely conforms to the gmp (good manufacturing practice) requirement, in which installed with advanced machines (reactor, centrifuge, drying oven, blender etc) . our company also has a 200m2 of qc (quality control) laboratory equipped with modern analytical instruments, such as atomic absorption spectrophotometer, particle size distribution apparatus and many other instruments for measuring viscosity, whiteness, tapped density, fluidity etc. Our company has already established a documented system of standard management procedure and standard operation procedure (SMP and SOP) . Therefore our company is the first calcium carbonate enterprise who was gmp registered with the sfda of china. Nowadays, our company is the stable supplier of superior calcium carbonate raw material for many famous food and pharmaceutical enterprises in world. Our company produces high quality pharmaceutical calcium carbonate, these products have high caco3 content and low impurities, especially the pb, as, hg, and fe contents, their specifications conform to USP, EP, EP and CP. In addition, some specifications can be adjusted according to customer's requests.