... manufacture. And it also can be used to manufacture high-grade glass articles, magnesium salt, pigment, paint and chemicals for daily ... , etc. It can be used as anti-acid agent in pharmaceutical industry. And also can be used as desiccant, color retention ... acid, gastric ulcer or duodenal ulcer, etc. Processing Method: Brine, Soda Method, Ammonium Bicarbonate Method MgCO3, Pharmaceutical Grade