ShenZhen ZhongBaoDa Chem Industrial Co., Ltd.founded in the Chinese production base of nano calcium carbonate-Enping City,owns two production bases of nano calcium carbonate in ShenZhen City as well as one mineral resource base. As the only national key high-tech enterprise in the nano calcium carbonate industry,Zhongbaoda ranks first in the production and sales of CCR,CC,SCC,BT-3,NA and CC-OT nano calcium carbonate product, which are widely applied in plastics,rubber,PVC cable,Sealants ...