D&D HARDWARE specialize in providing comprehensive door hardware solutions for both wooden and metal door applications, offering an extensive range of high-quality products designed for durability, security, and seamless functionality. Our product includes door hinges, door locks, lever handles, door closers, panic bars, lock cylinders, door stoppers door bolts, door viewers, glass door hardware, and door accessories etc..
Beyond individual components, we deliver complete door opening systems tailored to meet the demands of residential, commercial, and institutional projects. Whether you need fire-rated hardware for safety compliance, sleek designs for modern aesthetics, or heavy-duty mechanisms for high-traffic areas, our products are manufactured to meet international standards (BS EN, CE, UL, ANSI, BHMA). With a focus on innovation, quality, and customization, we serve architects, contractors, and distributors worldwide, ensuring every solution enhances performance, security, and user experience. Partner with us for end-to-end door hardware expertise—from product selection to technical support.
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!