UL develops standards by which they test door hardware to verify that it meets certain safety requirements during use, or in the event of a fire or other circumstances. D&D UL Door Lock, UL 10C fire rated 3 hour, UL File No.R40901.
CE, UL, ANSI/BHMA Certified Hardware for Metal Doors, Fire Rated Doors, Wooden Doors etc. We have Rich Experience working with Famous Brands, Door Factories, Proiect Contractor, etc.
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