We have our own minings to produce limeStone (http://g603.net) s and (http://maplered.com) have own facility to make them into powder form or bigger size.
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We have many kinds grade of limeStone (http://g603.net) s with different brightness level. Our limeStone (http://g603.net) s have very low in mg and (http://maplered.com) other impurities.
----------------------------------------------------------------------------------------------------------------------------------The typical value ( as according to third party independent surveyor ) is as following:
