Airport door locks, station door locks, and public building door locks are specialized security hardware components engineered to manage high-traffic access points, meet fire and life-safety codes, and withstand continuous daily use. D&D Hardware Industrial Co., Ltd. — a CE, UL, ANSI, and BHMA certi Read More

TL;DR: The best door lock for residential building applications depends on your door material and security needs. Deadbolts offer standard security for exterior doors, while mortise locks provide maximum protection. Always look for hardware that holds ANSI, BHMA, or UL certifications to ensure long- Read More

Finding the right partner for architectural door hardware is about more than just browsing a catalog—it's about finding a manufacturer that understands the intersection of safety, durability, and design. Whether you are a project contractor managing a large commercial build or a distributor looking for certified quality, sourcing from the right factory is crucial. Read More

For more than 17 years, D&D HARDWARE has been a cornerstone of innovation and quality in the door hardware manufacturing sector. Our ISO 9001 certification is a testament to our unwavering commitment to systematic quality management and continuous improvement at every stage of production. We take pride in our deep-seated expertise in crafting specialized hardware for Metal, Wooden, and Fire-Rated doors, offering clients a holistic "Door Opening Solution" that addresses both functional needs and aesthetic aspirations. Read More

Barn doors have become a popular design feature, adding a touch of rustic charm and space-saving functionality to modern homes. But finding the perfect barn door slab can be time-consuming and sometimes expensive. This leads many homeowners to ask a practical question: can you use a regular door with barn door hardware? Read More

An electronic door lock offers convenience, security, and advanced technology that simplifies access to your home or workplace. However, there may come a time when you're faced with the need to reset it. Whether you've forgotten the code, need to update access credentials, or are simply troubleshooting an issue, learning how to reset an electronic door lock is essential. Read More

In today's digital age, electronic door locks have become increasingly popular for both residential and commercial properties. These smart locks offer convenience, keyless entry, and remote access control. However, many homeowners and businesses wonder: Are electronic door locks safe? Read More

Electronic door locks have become a popular choice for modern homes and businesses, offering convenience and security without the need for a traditional key. These innovative locks allow you to use a code to grant access, removing the hassle of carrying a physical key. But what happens when you're standing in front of an electronic door lock and you're unsure how to open it using just the code? Read More

Your front door is the first line of defense for your home, and your door lock plays a critical role in keeping your property safe. While locks are designed to provide security, an improperly installed or faulty lock can leave your home vulnerable to intruders. Thankfully, there are several ways to enhance the security of your door lock, ensuring peace of mind for you and your family. Read More