Certifikater
ISO 14001:2004
ISO 9001:2000
- SFS-EN ISO 9001:2000
- SFS-EN ISO 14001:2004
- RAL – Gütegemeinschaft Heizkörper aus Stahl e.V.
- NF – Afnor Certification, ATITA
- KITEMARK LICENCE – BSi Product Services
- SANROS
- CE mark
© 2007 Rettig ICC