ISO 9001 Certified
TANGRA's Quality Management System is ISO 9001. It was introduced and implemented in the company in 2003
TANGRA is a member of:
- REHVA - European Federation of Heating, Ventilation & Air conditioning Associations
- Bulgarian Chamber of Machine Building (Dipl. Eng. July Armianov, owner of TANGRA is also in the board of the chamber).
- Bulgarian Chamber of Construction.
- CEIB - Confederation of Employers and Industrialists in Bulgaria.
- German-Bulgarian Chamber of Industry and Commerce
- Bulgarian Business Leaders Forum (in Association with International Business Leaders Forum)
CERTIFICATES AND AWARDS
ISO 9001:2008 CERTIFICATE
FREIS DER DEUTSHEN WIRTSHAFT IN BULGARIEN 2013
GOLD MEDAL AWARD PLOVDIV INTERNATIONAL FAIR