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 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.
- CE certificate of SLIDEback sliding door closer
- TÜV Rheinland certifiate
- Patent of Glass Patch Lock in Russia
- Patent of SLIDE back sliding door closer
- UL certificate of panic exit devices
- UL certificate of fire rated exit devices
- SLIDE back sliding door closer, RoHs compliance