Calcium Oxide, Calcium Hydroxide, Quicklime manufacturer / supplier in China, offering Specialized in Chemical Field Factory Direct Sale Calcium Hydroxide High Purity and Low Impurity Petroleum Additives., High Purity 325 Mesh Calcium Hydroxide for Adjust The pH Value of Water, 95% Content High Specific Surface Slaked Lime for Flue Gas Desulfurization and so on.