... a.Used as the basic material in the production of high-grade magnesium oxide in silicon steel grade, electrician grade, ... padding, etc. d.As black desulfurizer and sewage treatment in environment protection. e.Other application, such as oil ... good after-sale service to ensure the quality , quantity and delivery timely for customers. Magnesium Hydroxide Manufacturer ,we produce Mg(OH)2 in good quality ...