We are leading manufacturer of Nano Precipitated Calcium Carbonate (NPCC) in China. Shengdatech Inc. is a group including 5 subsidiaries. Shandong Haize nanomaterials Co., Ltd. which specializes in R&D, and production NPCC is a subsidiary of Shengdatech Inc.. Founded in 1993, Shengdatch Inc. got listed on U.S Nasdaq Stock exchange market (Symbol: SDTH). Our products enjoy high reputation at home and abroad for their high quality. At present the production capacity is 130,000 metric tons a year.