On May 22, 2002, Holtop was founded,HOLTOP brand energy recovery ventilator launched in the market.
Holtop rotary heat exchanger launched in the market.
Holtop moved to a 30,000sqm factory and certificated by ISO9001.
During 2007- 2008
Holtop built the authorized enthalpy lab and supplied energy recovery ventilation systems to Olympic Games.
Holtop supplied energy recovery ventilation systems to World Expo pavilions.
Holtop manufacturing bases were certified by ISO14001 and OHSAS18001.
Holtop achieved great success in AHU field by working with Mercedes Benz, BMW, Ford, etc, and rotary heat exchanger certified by Eurovent.
Holtop was approved by SGS inspection on the ISO management systems.
Holtop moved to her new production base and achieved the annual growth of 39.9%.
Holtop was elected as National Hi-tech enterprise and launched the Eco-clean Forest series energy recovery ventilators.
Holtop launched the new fresh air dehumidifiers and air handling unit with heat pump system.
Holtop international distributor conference was held in Beijing.
During the outbreak of new coronavirus, Holtop was selected as the quality supplier to support ventilation solutions to hospitals across the nation.
Holtop was honour to be elected as Beijing "little giant" enterprises after strict preliminary review, which is the recognition of the high-quality development of technologically advanced enterprise.
Holtop has been established for 20 years from 2002 to 2022, Happy 20th anniversary!