Hanmero Light Weight Composite Sandwich Panel is an energy-saving, lightweight composite board that is made by combining fiber-reinforced calcium silicate board or cement calcium silicate board as the surface panel with fillers such as cement, EPS, ceramsite, perlite, sand, or fly ash. This product can replace building materials such as red brick, clay solid brick, air brick, color-coated steel sandwich panel, gypsum block, wire spatial grid structure perlite board, perlite porous board, and more. It can be widely used in various high and low buildings such as banks, office buildings, hospitals, schools, etc.