Haicheng developed magnesium hydroxide plant is a collection product development, production and sales of integrated production enterprises. Plant located magnesium rich ore reserves, mineral six major advantage of excellent Haicheng City, Liaoning Province mining town archway I plant products is the six major indicators of our factory: First: magnesium oxide content of the second: the high content of active magnesium third: yellow \ white, the appearance of control IV: calcium silicon ratio control V: Determination of the content of other metals: burn vector grasp sixth