Characteristics of land type shutter: decorative: beautiful appearance, fresh and simple. Can adjust the light Angle, two-way build multistage light effect and the atmosphere, rich leaf color choices, reveal different style space. Energy conservation and environmental protection: the hot high reflectivity of aluminum alloy blade, can reflect most of the summer sun energy. Keep at room temperature in winter, help to improve the effect of air conditioning cold heat, achieve the goal of energy saving and environmental protection. Keep in room temperature brightness at the same time, more than 15% higher than that of shutter traditional fabric shading system such as energy saving effect. Health: ordinary drapes in dry weather is easy to absorb dust, wet weather is easy to be affected with damp be affected with damp breeding ground for germs, often washing, using aluminum Venetian blinds, loading and unloading easy, convenient dust, insect and mite bug to allergies.