Door Viewer

Peephole viewer / 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 viewer and peephole viewer

Door Viewer

Peephole viewer

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


The door viewers help to prevent the entry of strangers and increase safety, after installation, you could know who is knocking on the door from the peephole with a glass lens and decide whether you are going to open the door or not, the clean and wider efficient visual angle allows the people behind the door check visitors outside easily.

D&D produced a variety of door viewers for your selection.
Please feel free to contact us via our company email, DDSALES@DND.COM

Door Viewer

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Door Viewer
Door Viewer
DS-60-1216A

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Door Viewer
Door Viewer
DS-60-1216B

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Door Viewer
Door Viewer
Door Viewer
Door Viewer
Door Viewer
DS-60-1420R

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Door Viewer
Door Viewer
DS-60-1420V

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Door Viewer
Door Viewer
Door Viewer
Door Viewer
Door Viewer
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Door Viewer | Door Closer & Hardware Manufacturer | D&D

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