A door closer is a simple but vital piece of hardware, especially in a commercial or public building. It ensures doors shut securely behind people, maintaining fire safety, security, and climate control. But when it's not working correctly—slamming shut too quickly or closing too slowly—it can be both an annoyance and a safety hazard.

Does your door slam shut like a thunderclap? Or does it drag so slowly that you're left standing there waiting? An overhead UL door closer that's out of adjustment can be frustrating, but the good news is that fixing it doesn't require a professional. With a few basic tools and about 15 minutes, you can fine-tune your door closer to work perfectly.

At international construction exhibitions, the importance of integrated door hardware in shaping safe and efficient projects continues to draw attention. As a Global Leading Commercial Door Hardware Supplier, D&D shows how complete hardware systems contribute to safety, usability, and design in faci

Global Leading Panic Bar Exporter Gains Traction With Its CE and ANSI ComplianceIn modern construction and safety planning, hardware is more than a functional accessory — it is a matter of responsibility and compliance. Panic exit devices, often referred to as panic bars, are indispensable for safe

Shaker cabinets are known for their classic, minimalist design. The clean lines and recessed center panels offer a timeless look that complements both traditional and modern kitchens. But to achieve that truly seamless, high-end finish, traditional exposed hinges just won't cut it. This is where hidden hinges come in, offering a sleek, uninterrupted look that elevates the entire aesthetic.

As a globally recognized and ISO 9001 certified manufacturer with a remarkable legacy spanning over 17 years, D&D HARDWARE stands at the forefront of the door hardware industry. Our core expertise lies in the precision engineering of high-performance hardware for a diverse range of applications, including Metal Doors, Wooden Doors, and critically, Fire Doors. We have meticulously built our reputation not just as a supplier, but as a comprehensive solution provider, offering an integrated "Door Opening Solution" that combines superior products with expert technical support.

Hidden doors add mystery, security, and functionality to any space. Whether you're creating a secret room, concealing storage, or adding architectural intrigue, selecting the right hidden door hinge is crucial for smooth operation and long-term reliability.

The Ultimate Sourcing Guide for Door Locks: Insights from D&D, a Door Lock Factory from ChinaIn today’s construction and renovation industry, securing buildings involves far more than choosing a lock that “works.” Door locks need to provide safety, comply with local codes, withstand repeated use, an

In the complex landscape of international commercial construction and high-volume hardware procurement, securing durable and compliant components is paramount. Project managers and distributors often face a critical challenge: finding a manufacturing partner who can consistently deliver the required

Shaping the Future of Architecture Through Reliable HardwareThe evolution of modern architecture is inseparable from the reliability of the hardware that secures movement, safety, and design integrity in buildings. Global Leading Door Hardware Manufacturer D&D Hardware is presenting its expertise at