History
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| TÜV Polish |
TÜV English |
TÜV German |
DNV English |
The Institute of Welding |
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| Welding Certificate from Karlsruhe University |
A Jotun Painting Certificate belonging to one of our employees |
Germanisher lloyd |
International Painting Certificate belonging to one of our employees |
ABS Europe |
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| Polish Chamber of Steelworks Polish version |
Polish Chamber of Steelworks English version |