D and D provides a wide range of products for wooden and metal door applications.
such as Stainless Steel Door Hinges, Door Locks, Lever Handles, Door Closers, Exit Devices, Door Stopers, Door Bolts and Door Accessories etc, not only door hardware but also Door Opening solution.
The D and D door set product category covers mortice locks, European profile cylinders, lever handles and hinges. Since the dimensions of all these products comply with DIN standards (DIN 18251 for mortice locks, DIN 18252 for profile cylinders and DIN 18255 for lever handles), the products are compatible amongst themselves regarding their functionality. All parts of the functional units are also perfectly aligned with each other.
Concealed door hinge can be called invisible door hinge or hidden door hinge. Our concealed hinges can work well in confined spaces and a series of concealed hinges ideal for multi panel door installations where the hinges are edge mounted between panels. The material can be zinc alloy or stainless steel. When the door is closed, the concealed hinge cannot be seen or tampered with. When opened the concealed and hidden hinge, pin is not removable. You can contact us for more details!