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, ATEX standardization as well as through the institution of SGS-TÜV concerning the certification according DIN ISO 9001:2015.

Certification ISO 9001:2015

Certification BVS 21 ATEX ZQS/E190

Certification Russia (brakes)

Certification Russia (couplings)

Certification DIN EN ISO 3834-2

Certification EN 1090-2:2011-10