Throughout its long industrial history, Addendum, S.A. has placed special interest in the quality of its products. This emphasis has been transmitted to all the staff and our network of associates by means of appropriate training and suitable control systems.

The annual investments the company makes in the Quality Department enable us to guarantee a better product and service in an increasingly competitive market. The system we have established and the investments we have made have always been aimed at providing a robust, reliable Quality system, which is also rapid, so that we can provide the maximum service to our clients, and adapt to each client's specific requirements.

Addendum has adequate material and human resources to control the quality of its products. This permits the specifications our clients require to be carefully certified.

At present, the company is certified under ISO 9001:2008.