The Light Construction Board is made of colored coated steel plate,Hollow glass-magnesium as core material,and heat-cured glue in continuous forming machine.The glass-magnesium board is made of magnesium sulfate as the main raw material,and it has stable property and is noteasy to be halogenated. Made by special production technology,it is fireproof,waterproof, tasteless,non-toxic ,non-freezing,non-corrosive,non-cracking, non-changing,non-burning,high strength and light weight.