HDF is certified ISO 9001 and started the certification process for ISO 14.001 and 18.001.
HDF fans are complying  with EU  Directive.
Our products meet the following standards:

• AMCA
• API
• DIN
• ISO
• GOST

The certifications HDF has acquired emphasize the dedication to quality. Besides being an ISO 9001 certified company, HDF is based on quality management principles that assure a customer-focused approach to design, development, production, installation and servicing of your Clients.

More info on LinkedIn