The subsidiaries of the TÜV NORD GROUP operate as safety experts and technology advisors in more than 100 countries. Find a location near you!Belgelendirme denetimi: Belgelendirme denetimi iki a?amadan olu?ur: ilk belgelendirme denetimi ve gözalt? denetimi. ?lk belgelendirme denetimi s?ras?nda belgelendirme yap?l??u, ISO 9001 standard?n?n gerekli