Ecvv Trade
Xuzhou DAE-A Automans Co., Ltd.

China Manufacturer with main products: Machinery , Supplies, Tools, and Parts , Furniture , Decorative and Household Items , Auto Parts and Accessories

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door release

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It is the device to keep the fire door open which can be operated manually or connected with heat/smoke sensor to cancel the open state. When fire, it will close the fire door. Easy installation, powerful support, re-install accessible.

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