GRECO STROM is particularly proud that all certifications were granted by the international certification bodies OEKO-TECH, Swiss Approval International, Bureau Veritas, EBETAM A.E. & LRQA Business Assurance , which are bodies that check with frequent inspections the correct implementation, maintenance and continuous upgrading of quality systems. This fact ensures and proves the commitment of our company to the quality of its products and services, as well as to the protection of the environment. In particular, our company has been certified on the basis of: