Offering international certification services in many management system areas TÜV SÜD Within the scope of renewing our plastic welder certificates issued by, we successfully completed our training and examination processes.

As a result of the theoretical and practical examinations carried out, while some of our membrane masters holding existing certificates became entitled to renew their certificates, some of our team members who increased their competencies with the trainings given became entitled to receive their first certificates.

As Yesti Group, together with all brands within our structure, we have adopted quality as a fundamental principle for over 30 years. We effectively implement all management and production systems for which we hold international quality standards, regularly audit them, and develop them with a continuous improvement approach.

In line with this understanding, not only plastic welder certificates, but also the renewal processes of all our quality certificates are meticulously monitored, and we maintain our determination to provide world-class services.