Certificates & Awards ESC Certificate - quality management (german) Welding Certificate Certificate bearing components IHK Koblenz - best trainees 2022 (german) Award ALTEC Aluminium Technik GmbH TÜV Certificate Rollfix TÜV Certificate MySelf-Tower TÜV Certificate AluKlik & AluKlik XXL TÜV Certificate AluLight & AluLight XXL AluSprint building authority approval (german)