expand metal material: aluminum plate, low carbon steel plate, stainless steel plate, aluminum alloy plate, copper plate and nickel plate. weaving: expanded metal from aluminum plate, expanded steel plate and stainless steel plate. opening shape: diamond, square, round, triangle and scale-like opening. characteristics: easy operation, long work life, enduring, graceful. application: be broadly used in the areas such as highway, railway, residence, irrigation works and the protection partition of machines, electrical appliances, windows and aquiculture.