WELDTECH ApS: Din leverandør til svejseopgaver, smedeopgaver, og montage

Our services

Welding of nickel-plated steel

WELDTECH Aps handles welding of high-nickel-plated steel according to ASME and DS/EN ISO. We work according to the standards EN-3834-2 and EN1090, and we deliver PQR, WPS and WPQR.

Processing plants

WELDTECH Aps manufactures processing plants according to the customer needs, including all kinds of industrial plants, product lines and production equipment.

Medical gas piping systems

WELDTECH Aps welds medical gas piping systems in copper and stainless steel according to EN/DS ISO 7693-1.

Certified welding

WELDTECH Aps performs certified welding according to specific demands or WPS of the customer. Certified welding is carried out according to EN 9606-1 (Steel) og EN 9606-2 (Alu) og EN 9606-4 (Nikkel)  and ASME 9.


WELDTECH Aps manufactures aluminum structures and performs repair welding of aluminum castings.

Stainless steel

WELDTECH Aps manufactures and processes  stainless steel objects, including customer specific structures and production plants.


WELDTECH Aps has a workshop of 1000 m2. We offer the following welding processes:

  • MIG/MAG/-puls 400 Amp.
  • TIG/-puls240/400 Amp. (AC/DC)
  • MMA 400 Amp. (AC/DC)

International projects

Weldtech Aps is an internationally minded company and we have undertaken projects in Qatar, Russia, Nigeria and Bangladesh.


WELDTECH Aps undertakes all fitting projects of steel and aluminum structures as well as industrial plants.

Why choose WELDTECH Aps?


We are able to weld TIG and MIG/MAG. In our workshop we have a Tilting Turntable with Column and Boom and a Clamping bench (Longitudinal welding machine)


We are ISO certified. We create and own our welding processes (PQR, WPS and WPQ).

High quality

We set high professional standards for our welding work and quality control as well as documentation


We reply quickly to inquiries and comply with agreements and deadlines


We are flexible and adjust our work to the requests of our customers. We also work outside Denmark.


We always bring our tools with us to solve the work most efficiently on the spot.

Customers and partners

“WELDTECH Aps has performed quite a bit of work as our department and has always delivered a very nice job. They are nice people who make things happen. They are also good at helping with suggestions for new developments and are active in coming up with ideas and solutions. Currently they are in Nigeria for us in connection with a refurbishment project of delicate equipment.”

Lisbeth ChristensenSenior Spare Part Advisor, Haldor Topsøe

“I have always had a good cooperation with WELDTECH Aps. You can always be sure that everything is taken care of when they have completed a job. We have used them for forging, pipeworks and dismantling. You have the same contact person through the whole project – and it is a great advantage that they are able to deliver complete solutions. They are very efficient too – big credit to them!”

Lars MøllerMaintenance manager, AGA