Welding is performed according to EN 1090 - EXC 1-3. en-iso 3834-2HACO A/S is certified according to EN ISO 3834-2. 

We perform welding by MIG, MAG, TIG and SAW and are able to handle items with a weight up to 40 tons.

We are used to have a close cooperation with class societies, such as DNV and BV.
and can perform re-stamping of materials with certificat 3.1/EN 10204.