D&D Hardware is a commercial door hardware manufacturer supplying mortise locks and supporting OEM and private-label requirements for global brands. For buyers developing a fire door lock range, the starting point is a producible specification, applicable certification and an agreed process for keep

Before placing a bulk fire door lock order, confirm the approved hardware schedule, verify the exact product listing, compare complete supply scopes, and agree how changes and deliveries will be controlled. A low unit price offers little saving if the locks arrive with the wrong function or do not m

Hospital fire door projects require more than ordering mortise locks in the correct quantities. Procurement teams must coordinate door schedules, approved hardware specifications, certification records, project submittals, and replacement requirements before placing an order.For hospital contractors

What Buyers Should Check Before Ordering UL Fire Rated Mortise LocksWhen a commercial building project specifies fire-rated openings, every single piece of hardware attached to that door assembly carries life-safety implications. A non-compliant mortise lock is not a minor substitution—it is a liabi