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UL certification is crucial for ensuring that door hardware is safe and compliant with regulations. By choosing D&D Hardware’s UL Listed products, you are selecting hardware designed to meet the highest safety and performance standards. There are many misconceptions about door hardware and fire safe

You need CE certification for your door hardware to follow strict rules and keep your project safe. If you do not follow the rules, you could lose fire ratings. Insurance might not pay for damage. You could break building codes. You might even get in trouble with the law. The Grenfell Tower Fire sho

Fire-rated doors are designed to slow the spread of fire and smoke, helping protect building occupants and property during emergencies. However, the performance of a fire-rated door depends not only on the door itself but also on every component installed within the assembly. Among these components,

Here is a quick list of the top 10 fire rated door hardware manufacturers for 2026:ASSA ABLOYAllegiondormakabaStanley Black & DeckerD&D HardwareGEZESimonsVoss TechnologiesHager CompaniesCISASargent and GreenleafPicking a fire rated door hardware manufacturer with good certification is important for

As a factory deeply rooted in the life safety industry, we at D&D Hardware understand that a fire door is only as reliable as its locking mechanism. When a building is engulfed in smoke and extreme heat, the difference between containment and catastrophe often rests on a few ounces of steel.We are n

How UL Fire Rated Mortise Locks Support Fire Door ComplianceFire door compliance is not a matter of preference—it is a matter of life safety, code adherence, and legal liability. At D&D HARDWARE Industrial Co., Ltd, we do not view fire-rated hardware as a product category; we view it as an engineeri

You need to find a trustworthy CE door handle manufacturer in China. This helps make sure the product is safe and follows rules. CE certification shows a door handle meets tough standards. Careful checking keeps your business safe from expensive errors.

When specifying access solutions for commercial buildings, hospitals, or multi-family housing, one question comes up repeatedly: What does UL 10C certification actually mean for a fire rated mortise lock?As a fire door hardware manufacturer, I have seen too many spec sheets list certifications witho

Specifying mortise lock hardware for a commercial or institutional project means more than selecting a finish or a function code. It means choosing the right ANSI/BHMA grade—because that single designation determines how long the lock body will last, how much force it can withstand under attack, and

A CE door handle usually refers to a door handle or lever handle supplied for European or international projects where CE compliance, EN testing or related technical documentation may be required.