Quality control

Costumer satisfaction through convincing quality is one of our guidelines. The quality assurance of our products and services is a central topic of our daily work at tz. For this reason we face regular certifications through the public constitutions for welding specialists, as well as through the institution of SGS-TÜV concerning the certification according DIN ISO 9001:2015.

Certification ISO 9001:2015

Certification Russia (brakes)

Certification Russia (couplings)

Certification DIN EN ISO 3834-2

Certification EN 1090-2:2011-10