Quality and guarantee

Dnd handles are tested and guaranteed products

Each handle undergoes strength and wear tests of its mechanical components, fire resistance and durability tests of its coatings in salt spray to ensure the best performance under any conditions of use.

Dnd is a UNI EN ISO 9001 quality system certified company:

ISO 9001 Dnd Handles certification

Fire resistance

Fire resistance certificates
EN 1634-2 ED. 2008

Fire resistance and smoke control tests for door, shutter and openable window assemblies and elements of building hardware.

Dnd products can be used for installations on doors and windows that are UNI EN 1634-2 certified and proved to have the same level of fire resistance.

VIS certification

VIS system 7 mm

Components made of PA6 nylon with uni-directional right or left spring.
Tests for strength and wear of mechanical components. Opening and closing simulation over 200,000 cycles.

Grade 3 Use category: high frequency of use by the public or poor care; high likelihood of misuse.
Grade 7 Durability: high frequency of use 200,000 cycles.
Type B drive, spring loaded locks.

Dnd, a responsible company

Dnd is happy to promote environmentally friendly actions and processes every day, and is involved in a number of sustainability-related projects to improve health in the workplace and develop a sense of responsibility, as a strategy and as a choice.


We offset the fuel consumption of our vehicles and cars with reforestation in the Katanino region of Zambia.


We use as little paper as possible: we have reduced our paper consumption by 50% and choose only FSC®-certified paper for our price lists and catalogues.

Cold printing

We have replaced our printing system with Epson Inkjet cold printing products, which reduce costs and energy consumption by up to 83% compared to laser printers.

100% GREEN A2A

Certification from the Brescia Chamber of Commerce guaranteeing the use of energy from 100% renewable sources.

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