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Hollow built-in shutter

The traditional shutter curtain and the hollow glass are combined into a whole, that is, the use space and the inconvenience are saved, and the comprehensive performance of the hollow glass insulation and the blind shade of the shutter is realized. The hollow shutter has the functions of shutter lifting and turning angle 180 degrees, and the manual and electric control closing device and lifting device are adopted to realize the operation control of the shutter. The utility model has the advantages of hollow structure, reasonable structure and convenient operation, and can realize the lifting and turning of the shutter. The utility model has good sun shading performance, improves the insulating property of the insulating glass, improves the indoor light environment, and is widely applicable to energy-saving building doors and windows.
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