D-U-N-S Certificate


Company and products Certificates

Certificates - D-U-N-S Certificate
D-U-N-S Certificate

D&D Builders Hardware Company is accredited and registered by TÜV Rheinland, D-U-N-S.

Also, based on our customers’ needs, we have applied…
*UL listed for our Exit devices.
*CE certificate, SGS certificate, and RoHS compliant for our SLIDEback sliding door closer.
Besides, SLIDEback sliding door closer and Glass Patch Lock is our own patents.

Below are all of our certificates for your reference.
If there is other information needed, please just feel free to contact us directly.

Press Release