Certificates & Awards ESC Certificate - quality management - DIN EN ISO 9001-2015 Welding Certificate - aluminium EN 1090-03 Welding Certificate - steel EN 1090-02 Certificate Bearing Components - aluminium EN 1090-03 Certificate Bearing Components - steel EN 1090-02 TÜV certification of the Altec Aluminium-Technik GmbH production facility TÜV Certificate Rollfix TÜV Certificate MySelf-Tower TÜV Certificate AluKlik & AluKlik XXL TÜV Certificate AluLight & AluLight XXL AluSprint building authority approval (german)