Materials: low carbon steel plate, stainless steel plate, aluminum plate, Al-Mg alloy plate. Weaving and characteristics: It is punched to mesh, winding-resisting, aging-resisting, the top of meshes is smooth, it is strong and durable. Uses:insulating the sound in the municifal facilities,such as highway and railroad,the material of the ceiling and wall to absor the sound,good shelves in the market,decorative exhibiting and selling platform,ventilate of grain depot.