Prefabricados Delta, a company at the forefront of its sector, considers the Quality of its products, protection of the Environment and the Prevention of Risks at Work to be its main priorities. Proof of this can be seen in the implementation of a Quality System and an Environmental Management System, certified and based on the UNE-EN-ISO 9001 and UNE-EN-ISO 14001 standards, as well as in the implementation of a Prevention of Risks at Work System, certified and based on the OHSAS-18001 specification.

With regard to its products, it has a product certification for GRP pipes under the UNE-EN 1796 and UNE-EN 14364 standards, and with requirements established in the new CEDEX Guide for GRRP pipes. It also has a product certification for steel-jacketed concrete pipes under the DIT Nº 445 (European Technical Approvals), issued by the Eduardo Torroja Institute for Construction Science.