Who are we?
We are the world leader in train connection systems, operating within the Swedish Group of Dellner AB. In our offer you will find couplers for all kind of rail vehicles, gangways, fast speed data transmission system – D-REX, energy absorption devices  - D-BOX, hatches, dampers, parts and sub-assemblies to our products.


What do we specialise in?
Our factory in Gdynia specialises in:

• production of parts and subassemblies for mechanical and electrical couplers;
• production of complete mechanical and electrical couplers;
• production of tramway couplers;
• production of adapters;
• modernisation of old couplers;
• overhauls and repairs of coupling devices;
• sales of complete couplers, accessories and spare parts.

Within Dellner Group we offer also:

• fast speed data transmission system - D-REX, enabling Ethernet connection throughout the whole train;
• energy absorption devices = D-BOX;
• hatches;
• gangways;
• dampers.

Treating quality of our products with the highest priority, we have implemented:

• IRIS (International Railway Industry Standard)
• ISO 9001: 2000
• ISO 14001: 2004
• Certificate: Welding of railway vehicles and
• components according to EN 15085-2,  cert. level CL1
• Lean Manufacturing principles.

We act in a complex way: starting with design, through production process, sales & after sales service, to renovation of old products.
Our couplers give you safe and more convenient journey of your passengers.