Fire rated door hardware refers to hinges, locks, closers, and exit devices tested and certified (typically under UL or CE standards) to maintain a door's fire-resistance rating during a fire event. It's required on fire-rated door assemblies in commercial buildings to control the spre

D&D Hardware Industrial Co., Ltd. will exhibit at the 140th Canton Fair (第140届广交会) from October 15–19 in Hall B, Booth 10.1K07. Visitors can inspect UL, CE, ANSI, and BHMA certified door hardware in person, review test documentation, and discuss OEM and project-specific requirements di