... CaO>=90%,stable As a leading manufacturer in Calcium Industry, we Shandong CITIC Calcium Industry Co., Ltd , No. 1 listed in North ... tons reserve.LIMESTONE: 6 million tons Active calcium oxide: 1.5 millon tons Light Calcium carbonate: 150,000 tons Calcium hydroxide: 150,000 tons 5 ... a good opportunity to get goods from us. quick lime,Calcium Carbonate,Heavy Calcium Carbonate,Calcium Oxide,limestone