1） Material:Aluminium plate, thin low carbon steel plate, stainless steel plate, al-mag alloy plate, copper plate and nickel plate.

2） Weaving:Be made by punching and be classified as expanded aluminium plate, expanded steel plate and stainless steel plate.

3）Opening shape: rhombus, square, round, triangle and scale-like opening.

4）Characteristics:Be fast, enduring, graceful.

5）Application: highway, railway, residence, irrigation works and the protection partition of machines, electrical appliances, windows and aquiculture.