1998- Company Established. (Plant No.1)
1999- Stationary Screw Compressors line assembling Started.
2000- Certification of Exclusive Agency of Sales & After Sales Service of SAMSUNG Centrifugal Air Compressors.
2001- Certification of Exclusive Agency for Sales & After Sales Service of FRIULAIR for Refrigerant Dryers.
2002- ISO 9001-2000 Certification
2003- Signing agreement Licensed Production Started for Stationary & Portable Screw Compressors with ATLAS COPCO. (15-75 KW)
2004- Certification of Sales and after Sales service for Stationary & Portable Screw Compressors with ATLAS COPCO. (75-250 KW)
2005- Factory Development. (Plant No.2)
2006- Gas Compressor Business for CNG & Process Gas Compressors Started.
2007- Signed Production-Line Agreement for CNG Station Components (Compressors, Tanks, Dispensers and etc.,) with a variety of Companies.
2008- Factory Development (Plant No.3). Selected as the Prominent Young Manufacturer at the first National Festival of the Young Manufacturers by the United Nationals Industrial Development Organization in Iran
2009- Awarding the Best CNG Component for After Sales Service by NIOPDC.

At Present, HAVAYAR factories with totally 33,800 m2 areas, is one of the biggest companies in charge of above activities located in 50 km far from TEHRAN.