Door design considerations mainly as below:1, Where the building and inner door located2, Number of times a door opens and closes3, Number of people the building expecting4, Fire and heat insulation of building doors and windows Main concern points for this configuration are:1, Safety Door opening

Our team has product knowledge training every month. Training can provide our customers with more professional help and find the most suitable door configuration solutions for them. The trainer is a door hardware engineer with more than 12 years of work experience.Through these trainings, on the one

Office Door - Swing Type Single Wood Door- Non Fire RatedSecurity, safety,function and convenience are the foundation of door hardware that architects, builders, and designers, and end users expect from D and D Hardware. D&D door hardware is manufactured to meet the needs of commercial building. D&

In the world, there are more and more topics of safety. For example,environmental safety,hardware safety and so on. For the Hardware Safety, D&D Hardware can provide complete hardware solutions for office single door. As an complete solution, you can view the top-rated door hardware combination for

In the world, there are more and more topics of safety. For example,environmental safety,hardware safety and so on. For the Hardware Safety, D&D Hardware can provide complete hardware solutions for office single door. As an complete solution, you can view the top-rated door hardware combination for