magnesium oxide board main usage: Besides it is used in normal room ceiling and partition,the board is especially suitable for office building, business building, bank, shopping center, hotel, entertainment facility, factory, warehouse, hospital, theater, terminal station, airport, school building, sport facility, engine room etc. It is also used in outdoor road sign. The spacer of the aluminiurm plastic board, protecting wall syetem, desktop panel, fence of building site, bill board, kitchen and toilet wall board, packing box and fire insulation pipeline etc. Also it can be used for ship decoration and passed the China Classification Society's Certification according to international standard. its Super Properties:1. Water-proof 2. Moisture resistance 3. Fire-Proof 4. Sound Insulation 5. High Strength, Impact Resistant 6. Ligh Weight 7. Stable No Deformation 8. Easy Finishing 9. Environmental Protection, Nonpoisonous.