China CHONGQING CARL CHEMICALS COMPANY Which is a main manufacturer of Magnesium Oxide Light / Magnesium Carbonate Light / Calcium Carbonate Light / Calcium Chloride Flake / Stearic Acid in China. I am David Wu, sales manager of this manufacturer. Our factory can produce any grain size of Magnesium Oxide Light/Magnesium Carbonate Light/Calcium Carbonate Light powders. And our production is capacity of 300MT Magnesium Oxide Light powder/ per month, 500MT Magnesium Carbonate Light powder per month, 1200MT Calcium Carbonate Light powder/ per month, 800MTCalcium Chloride Flake/per month, 500MT Stearic Acid/ per month. Our Products sold in Asia, Europe and America for many years.