Door Lock and Cylinder

Deadlatch and Deadbolt mortise lock set / 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.

Deadlatch, hookbolt and deadbolt for mortise lock set

Door Lock and Cylinder

Deadlatch and Deadbolt mortise lock set

A door with a lock function is a necessary component of proper door operation. Such as the office door, the accounting room, and the bathroom will require this function to be adequately secure.

The door locks require a pocket, which can cut into the door for locks fitted, including deadbolt, deadlatch, hook bolt, and mortise lock.

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 via our company email, DDSALES@DND.COM.TW, and 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 Lock and Cylinder

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Result 1 - 7 of 7
Barn Door Lock - Sliding Barn Door Lock
Barn Door Lock

D&D sliding barn door lock can fix on jamb, door, or wall to lock the sliding barn door from...

Deadlatch - Standard duty deadlatch

The deadlatch will automatically lock itself whenever the door is closed. This makes leaving...

Deadbolt - Deadbolt

The deadlock has a bolt to provide maximum security for a single-leaf narrow stile door. Basically,...

Hook Lock - Deadlock, Deadbolt with hook
Hook Lock

Hook Lock is suitable for sliding doors and is easily attached to wood or steel door frames.

Bottom Rail Deadlock - Bottom rail deadbolt
Bottom Rail Deadlock

The bottom rail deadbolt provides maximum security with a deadbolt locking mechanism. This...

Mortise Lock - Mortise lock case
Mortise Lock

D&D mortise locks are intended for standard duty for schools, hospitals, and commercial buildings...

Cylinder - Mortise cylinder, European profile cylinder

D&D manufactures mortise cylinders, rim cylinders, and European profile cylinders in Taiwan,...

Result 1 - 7 of 7

Door Lock and Cylinder | Door Closer & Hardware Manufacturer | D&D

Based in Taiwan, D&D BUILDERS HARDWARE CO., since 2002, is a Door Lock and Cylinder | 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.