Company and products Certificates

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 device.
*CE certificate, SGS certificate and RoHS compliant for our SLIDEback sliding door closer.
Besides, SLIDEback sliding door closer and Glass Patch Lock are our own patents.

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

Press Release