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

Choosing the right commercial building door lock means matching the lock grade (ANSI/BHMA or EN standards) to the door's traffic and security needs, selecting the correct type for interior versus exterior use, and partnering with a certified supplier. For high-traffic exterior entries, 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

Dear Global Trade Partners and Industry Insiders,The 139th Canton Fair is just around the corner, and D&D Hardware – a leading fire rated door hardware manufacturer in China – is ready to welcome you at our booth 11.1L10 (Hall 11.1 Stand L10) from April 15 to 19, 2026. This is your ideal chance to e Read More

Physical keys are becoming a relic of the past in modern business infrastructure. For business owners and facility managers, the constant worry about lost keys, unauthorized duplication, and the hassle of rekeying locks every time an employee leaves is a burden that consumes time and resources. As security technology advances, the shift toward a more robust commercial door lock system is not just a trend; it's a necessary evolution for asset protection. Read More

Choosing the ideal electronic door lock can seem daunting with so many options available. But with a little guidance, you can find a lock that not only enhances your home security but also complements your lifestyle. Whether you’re looking for convenience, high-tech features, or a modern touch, this guide will help you make the right decision. Read More

Upgrading your home’s security with an electronic door lock not only adds convenience but also enhances safety. These high-tech locks allow you to lock and unlock your door using codes, smartphone apps, or even biometric data. Forget about hiding spare keys under the doormat! Read More

In today's world, securing your home is not just about protection; it's about combining functionality with style. The main door lock is an essential part of that equation. It's the first line of defense for your home and reflects your personal taste. This blog post will explore how to choose the best main door lock for your needs, considering everything from security features to design aesthetics. Read More

In a world where security and safety are paramount, the choice of a door lock can be more significant than you might think. Whether it's protecting your home, office, or any other space, understanding the importance and functionality of UL door locks is crucial. These locks aren't just about keeping intruders at bay; they're about ensuring peace of mind. In this blog post, we'll explore what UL means on a door lock, why it matters, and how China D&D Hardware's range of UL door locks can provide the security and assurance you need. Read More