This kind of net products owns better corrosion protection and fir-resistance, be easy to clean and wash, strong pull, non-distortion, non-adsorption, long time using, better permeability visor and so on, its color are black, grey, white-grey which are the international popular colors, they can let the vision be more comfortable, nature, therefore, it owns lofty and natural appearance. They are widely used in hotel, office, villa, construction industry, pasture, fruit garden, vegetable big awning and all kinds of air-changing equipments, insect-proof, mosquito and fly equipment (insect-proof) of vegetable. Especially being used for supporting using with upscale Aluminum alloy door-window, molding steel door-window automatic scrolling silk window.