Manufacturer of high quality mgo boards / magnesium oxide boards, size: 1220x2440, 915x1830, thickness: 3mm--38mm, competitive prices, on time & prompt delivery, for more please do not hesitate to contact us! Product features: 1) High strength, strong flexural and impact strength 2) Non-flammability: fireproof Grade A. 3) Moisture resistant 4) Sound insulation 5) Thermal insulation 6) Easy installation 7) Environmentally