Welding shop:

Method 121 – submerged arc welding
Method 135 – semi-automatic MAG (Metal Active Gas) welding
Method 114 – flux-cored wire metal arc welding
Method 111 – shielded metal arc welding
Method 783 – arch stud welding
60 welders qualified according to the requirements of the standard PN-EN ISO 9606, AWS D 1.1/D 1.1M.
Qualified welding supervision according to the standard PN-EN ISO 14731.