Material:Aluminium plate, thin low carbon steel plate, stainless steel plate, al-mag alloy plate, copper plate and nickel plate. Weaving:Be made by punching and be classified as expanded aluminium plate, expanded steel plate and stainless steel plate. Opening shape: rhombus, square, round, triangle and scale-like opening. Characteristics:Be fast, enduring, graceful. Usefulness:Be broadly used in the areas such as highway, railway, residence, irrigation works and the protection partition of machines, electrical appliances, windows and aquiculture.