Electromagnetic Door Holder

Magnetic Door Holder / D&D Builders Hardware Co. located in Taiwan, is a professional custom hardware manufacturer with rich experience in producing the OEM/ODM door and window hardware, building hardware and automotive parts according to customers' individual needs and designs.

Electromagnets for hold-open systems

Electromagnetic Door Holder

Magnetic Door Holder

D&D electromagnetic door holders with adjustable catch plates provide varying applications, the electromagnetic door holders can be tripped by a smoke detector or triggered by a remote switch.


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Electromagnetic Door Holder

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Electromagnetic Door Holder | Door Closer & Hardware Manufacturer | D&D

Based in Taiwan, D&D BUILDERS HARDWARE CO., since 2002, is a Electromagnetic Door Holder | door closer & hardware supplier. Main products, including door hinge, door handle, door lock and cylinder, door closer, door accessory and so forth.

TÜV Rheinland & UL certified door closer and hardware production from designing, molding, plastic injection, stamping, forging, die casting to CNC machining, has over 20 years with plentiful experiences in handling various architectural hardware. SLIDEback sliding door closer, the patented connecting design provides various applications for different sliding doors, and the connection and separation switching bar design allow having a door with or without auto-closed function.

D&D has been offering customers high-quality door closer and hardware, both with advanced technology and 15 years of experience, D&D ensures each customer's demands are met.