1992
H.Stars Group was founded for chiller production.
1993
H.Stars became the sole distributor of Hanbell Compressors in Guangdong, China.
1994
The subsidiary, United A/C & R (UAR), was established, primarily focusing on the production of shell and tube heat exchangers.
1995
The factory was expanded, reaching a size of 20,000 square meters and a staff count of 300.
1996
H.Stars first introduced its own screw type chiller to the market.
1997
H.Stars was awarded the ISO 9001 certification.
2000
We launched our own heat recovery unit to the market.
2003
Acquired AHU plant in Foshan, enhancing H.Stars' operational capacity and market reach.
2005
Initiated the Overseas Department to expand global operations.
2006
Received CE certification, affirming compliance with European standards.
2010
Established a new production facility in Xinjiang, specializing in heat pump manufacturing.
2011
Introduced a joint venture two-stage compression centrifugal chiller, achieving a COP greater than 6.0
2012
Achieved ISO 14000 certification. Implemented improvements to flooded and spray type evaporators.
2013
Developed a new type of evaporative chiller.
2014
Established a 1500RT testing station, developed a new oil-free centrifugal chiller and a solar hot water unit.
2019
Developed a low ambient temperature heat pump, and a 90℃ solar hot water unit.
2020
Developed an environmentally friendly 1234ze refrigerant to achieve the 2020 carbon neutrality goal.