Door Security | Innovative Door & Window Hardware Solutions from Taiwan's Finest | D&D Builders Hardware Co.

Door Security | 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.

Door Security

Door Accessory

Door Security

Use D&D's door accessory for every detail of your door includes dustproof strike, doorstop, flush bolt, door guard, and swing bar lock, surface bolt, door roller, and door viewer.


Please feel free to view our current items as follows.

If there is any suitable item, please feel free to advise the item number, quantity, finish you need, then we will get you back shortly.

If you do not find a suitable one, we could provide OEM or ODM service too.

Please share some photos with dimensions or drawings, and we will evaluate the possibility of mass production if there is a certain quantity.

Door Accessory

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Result 1 - 8 of 8
Dust Proof Strike - Dust Proof Strike
Dust Proof Strike

The dust-proof strike used with flush bolts to prevent dirt, dust, and debris from floor clogging...

Door Stop - Door catch, roller catch, ball catch
Door Stop

The door stop could keep the door in the position you need and also prevent when the door opens...

Flush Bolt - Flush bolt,  door bolt
Flush Bolt

Flush bolts are recessed into the door edge (top and bottom) and slide upward or downward into...

Chain Door Guard - chain door guard
Chain Door Guard

D&D chain door guards have a chain locking design to offer additional security to stop stranger...

Security Door Guard - Door Guard
Security Door Guard

D&D door guards have a ball locking design to offer additional security to stop stranger entry...

Barrel Bolt - Slide Bolt
Barrel Bolt

The barrel bolt is very common hardware, which will be used in most of the family; it has the bolt...

Window and Door Roller - Sliding roller for timber door and aluminum door
Window and Door Roller

The rollers are used for timber sliding doors, sliding doors with an aluminum frame, pocket...

Door Viewer - Door viewer and peephole viewer
Door Viewer

D&D door viewers could be produced in brass and zinc alloy, and are available in various finishes...

Result 1 - 8 of 8

Door Security | Your Trusted Source for Electromagnetic Locks & Access Control Systems | D&D Builders Hardware Co.

Located in Taiwan since 2002, D&D BUILDERS HARDWARE CO. has been a door closers and door accessories manufacturer. Our main self sliding and glass door hardware, include Door Accessory, SLIDEback Sliding Door Closers, Self-Closing Door Closers, Deadlocks, Exit Devices, Glass Fittings, Deadlatches, Electromagnetic Locks, Glass and Wooden Door Floor Springs, Panic Devices, Panic Bars and Deadbolts, which are TÜV Rheinland & UL certified.

We have extensive and rich metal processing, plastic and rubber processing experience, such as: stamping, casting, die casting, forging, extrusion, CNC turning parts, Machining parts, plastic injection, rubber compression, transfer molding and injection molding. With more than 20 years experience, D&D is specialized in handling OEM projects and various industrial processes, such as designing, molding, plastic injection, rubber injection, metal machining, stamping, deep drawing pressing, forging, die casting, powder metallurgy, CNC machining and related fabrications.

D&D has been offering customers high-quality door closer hardware, both with advanced technology and over 20 years of experience, D&D ensures each customer's demands are met.