发布人：http://www.kdjlm.com 发布时间：2017-04-12 11:45:25
Book door safety performance is high, has a very good set anti-theft function, is widely applied in manufacturing enterprises or the workshop, warehouse, and a lot of food and medicine industry are isolated by using shutter. Shutter type many, mainly divides into the following categories.
Book door style of traditional star plate rolling door, traditional star board book door in street was more common now, traditional star board book door of cheap, installation is very simple. But traditional star board book door open voice is very big, in the long-term use of traditional manual star board book door open is very arduous, at the same time, traditional star board book door if it is electric noise is still very big. Due to the shortcoming of traditional star board book door of in many new styles now it was much less competitive.
Book door design of aluminum alloy shutter, the material of aluminum alloy doors and structure design, can effectively prevent ultraviolet (uv) radiation and the illuminate of strong light, can solve the sunlight greenhouse effect which produces to the interior, the indoor environment has the effect of long-term protection, shade on the temperature can reach more than 95%. Aluminum alloy doors no longer like the traditional book door switch, it fell to the lowest noise will not make the person produces noise.
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