Shanghai YaoHua Nano-Tech Co.,LtdShanghai Yaohua Nano-tech Co.,ltd is a the largest PCC manufacture in China with resisted capital of $12 millions. .We have the best technical center in China that equipped with the most advanced test instruments include TEM and BET to help us finish all kinds of test, Shanghai Yaohua Nano-tech Co.,ltd is a GMP manufacture and meet ISO9001 standards. Our Calcium Carbonate product is widely used in the paper making, paint, plastic, rubber, porcelain and chemical industries. The production lines are automatically controlled, the Calcium Carbonate product quality is stable and it is highly favored by various customers. We offer Calcium Carbonate can be used in plastic (PE, PP , ABS, HIPS, PA ). Paper ,ink ,rubber and medicine drug etc .