calcium carbonate contant 97%min limestone for st

Calcium carbonate product index 1) CaCO3 ≥97%,MgO ≤0.6%,SiO2 ≤1%,Fe2O3 ≤0.06%. 2) CaCO3 ≥96%,MgO ≤1.6%,SiO2 ≤1.4%,Fe2O3 ≤0.06%. Shandong CITIC Calcium Industry Co.,Ltd. We have our own quarry. After the professional eastimating, the total storage is more than 4 billion Metric tons of limestone. And the content of Calcium is the best one in China. Our production capacity for all of products is as follows for your reference: The Limestone is more than 3,500,000 tons per year; The Calcium Oxide is more than1,500,000 tons per year; The Precipitated Calcium Carbonate is more than 300,000 tons per year; The Hydroxide Calcium is more than 100,000 tons per year. Under the strict controling system of every step, we can gurantee to provide you the best and steady quality and the lowest price.