I plant the production of inorganic fiberglass magnesium fire board dedicated its magnesium content of more than 85 active 65 or more, I plant using ore mined magnesium ore three (white) ore. I plant the use of inorganic glass fiber reinforced plastic for magnesium fire board: a smooth white surface, high strength, less brittle and easily broken, nails planed, film can be decorated, not anti-halogen back to base, physical light, easy handling, stripping Fast, shrinkage is small, the plate is high, good water resistance.