Fast shutter doors wholesale _ Jinan giant wind farm gate light industry (certified) _ Xiamen fast shutter doors

Fast shutter doors wholesale _ Jinan giant wind farm gate light industry (certified) _ Xiamen fast shutter doors provide a light wind from the Jinan giant Tian Door Industry Co., Ltd .. Jinan giant light wind Tian Door Co., Ltd. (www.jgft.net) is specialized in the "fast shutter doors, rapid accumulation of doors, fire shutter doors, industrial doors," the enterprise, the company of "honesty, hard service" concept, for You provide the most quality products and services. Welcome to inquire! Contact: Li. Aluminum shutter doors shutter distinctive materials and structural design, which can effectively prevent glare and ultraviolet radiation, completely solve the greenhouse effect produced by sunlight on the interior, for a variety of climate and weather changes, the indoor environment with long-term protective effect, after tests showed shutter doors and windows to block the sun's rate can reach 100% fast shutter doors made of the temperature of the occlusion rate can reach 95%. With proximity switch Switches feedback control theory, since only provide a single point of the position feedback fast shutter doors Which is better, the deceleration curve is dependent on the site inertial resistance projections fast shutter door manufacturers, when the scene inertial resistance characteristics change, such as the spring and summer autumn and resistance to change, resistance to change the old and new systems, various changes in the field of other factors involved, such fixed single point of feedback and control but can not change, but can not reach the consistency and accuracy of deceleration stop, and sometimes do not miss the braking point and place Parking, resulting in closed Zhuangmen, and sometimes they can not shut the door tight.