VŽO has a certified quality system according to EN ISO 9001:2015 in accordance with international standards and regulations. It provides guarantees that the conditions are created in the company for the compliance of the implementation with the customer-defined requirements.

The effectiveness of the management system is verified annually by audits of an external accredited company and, at the same time, by customer audits.

We continuously monitor and optimize our internal processes to new legislative and customer requirements, which gives our customers the certainty that they will have a strong partner by their side in the future.