Zhangjiagang leader new construction material co., ltd produces the magnesium oxide board 100% exports, through 15 years of foreign market development, our company has enjoyed a high reputation in the world. Main products of the company: Magnesium oxide board Fiber cement board Eps/xps sandwich board External wall panel/siding Ceiling Mgo sip (magnesium oxide structural insulated panel) is a composite building material. They consist of a sandwich of two layers of structural board with an insulating foam in between. Panel skins are magnesium oxide boards. Insulation core can be expanded polystyrene(eps), extruded polystyrene(xps). Product name Polyurethane sandwich panel Base material.] Mgo board+xps/eps+mgo board Thickness 25mm-154mm Common size 1200mm*2400mm, 900mm*1800mm, 900mm*2400mm Fireproof A grade Main characteristic Fireproof, light weight and easy to install, moisture-proof, sound insulation, environmental, 100% no asbestos Application Partition, external wall, roof, movable house.