Transom concealed door closer, Overhead door closer | 15 Years Hidden Door Closers & Door Hinges Manufacturer | D&D

Transom concealed overhead door closer | 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.

Transom concealed overhead door closer

Transom Closer

Transom concealed door closer, Overhead door closer

D&D transom concealed door closer is designed to be concealed inside the top transom of the door for aesthetic appearance. The overhead concealed door closer is ideal for shopfitting, for both double and single-action doors.


All of our products are 100% made in Taiwan with reliable and stable quality!

Transom Closer

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Transom concealed overhead door closer similar to Dorma RTS 85 - Transom conceal closer
Transom concealed overhead door closer similar to Dorma RTS 85
TC-S5000

The D&D TC-S5000 concealed transom door closer offers a solution for application where door...

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Transom concealed door closer, Overhead door closer | 15 Years Hidden Door Closers & Door Hinges Manufacturer | D&D

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 Transom Closer, Slide Back 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. If the products what we produced do not meet your quality requirements, you do not need to pay. With more than 18 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 15 years of experience, D&D ensures each customer's demands are met.