glass magnesium boards (glass fiber &magnesium cement boards) selects the best magnesia, chloridized magnesium, alkaline high-strength glass fiber cloth as the material, assisted with the Modified JACKIE, and are produced delicately through modern techniques. The product completely overcomes the shortcoming of bad water resistance, and is characterized by fire and water proofing, sound insulation and heat preservation, acid and alkalis resistance, mildew proofing and antisepsis, being sawn and hit, innocuity and insipidity, longevity and so on. In particular, the product can be used by the fitment project in humid conditions like piscine, restaurant, hotel, market, human defense and mine