Company and products Certificates
D&D Builders Hardware Company is accredited and registered by TÜV Rheinland, D-U-N-S.
Our exit devices are UL listed.
SLIDE back sliding door closer has SGS certificate and RoHS compliant.
D&D also has our own patents for SLIDE back sliding door closer and Glass Patch Lock.
New Door Closer
D&D the 5th generation of SLIDE back sliding door closer reduces the opening force up to 50% and have much lighter and smoother operation.Read More
D&D SLIDE back sliding door closer can upgrade...
New Glass Lock
INFINITY-The interchangeable parts, make one lock work out extra models like Dummy, Switch, Cylinder and Indicator.Read More
Looking for Agents
We are looking for district agents and dealers, for our hot items, you're welcome to apply for if you have certain confidence and determination.Read More