The sound-proof strip at the bottom of the open door is a new product independently developed by our company. It combines the functions of Sound insulation and sealing while upgrading the appearance design, which solves the problem that the appearance of the sound-proof strip in the outside screw hole is affected by the exposure of the customers. Open insulation strips are installed on the bottom surface of the door, which is more convenient to install and replace. When the door is closed, the compartment strip automatically extends downwards to press the ground end the fireproof parts in the soundproof strip also extend downwards to close the gap between the door bottom and the ground; Sealing the door is open, sealing strip will automatically up off the ground, do not affect the switch of door and the damage to the ground: install the bottom of the door sealing strip, can effectively prevent external dust, odors, cold and hot air, noise and light from the bottom of the door gap enter indoor, protect the indoor environment, make hotel, luxury decoration, purification space, industrial door at the end of the perfect products.

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