Features: use aluminum extension is formed by the punch stretched, diverse styles, suit for different environments. It can use pure aluminum or aluminum alloy, high strength, durable. Anti-corrosion and rust-proof, without regualr maintenance, low cost, the weight is 1/3 of steel. Customers can custom wire stem thickness, mesh size, net surface length and width. There are silver white color, chmpagne color, bronze, black, anodzing surface treatment. You can also choose your favorite color. Applications: security door, stairs, and windows fence, industrial plants pedals, plant forms ditch cover install cables, wire trays, pet cage. Sold place: China,Australia, New Zealand, Philippines, Malaysia, Singapore, Taiwan regions.