Clestra - Certifications

5 RESPONSIBLE GOVERNANCE . A CSR approach supported by all management and employees. . A business ethics charter whose purpose is to combat corruption. . A supplier relationship charter that takes into account all economic and environmental issues. . A social charter whose purpose is to make the interests and practices of Clestra operational in terms of responsibility towards its employees. . The Clestra factories are ISO 9001 – ISO 14001 and ISO 45001 certified. transparency and ethics CSR POLICY