We annual output for high purified Mg(OH)2 reaches 20000tons, and also guarantee 98.5%min, ... grade, electrician grade, pharmaceutical grade, ect. b.Used as chemical reagent grade magnesium hydroxide,pharmaceutical grade magnesium hydroxide,food grade magnesium ... and delivery timely for customers. Magnesium Hydroxide Manufacturer ,we produce Mg(OH)2 in good quality