2005
As a pioneer in vehicle air cooling and heating equipment,
Defu was dedicated to making perfect vehicle temperature environment.
2008
Defu started to make Chinese version diesel
heaters Defu R&D team developed 1st
generation diesel air heater with independent
intellectual property,making our own attribution to the truck industry development.From then on, Chinese market doesn't rely on importation
for diesel air heaters any more.
2010
Defu initiated the parking air conditioner project
and successfully developed and produced the 1st Generation electric scroll compressor for vehicles.
2012
Defu developed the 1st Generation
liquid diesel heater for engine pre-heating and shower water heating.
2015
Defu launched rooftop air conditioners, split/backpack air conditioners,parallel operating air conditioners,48V/60V/72V cooling and heating air conditioners for low-speed electric vehicles.
2016
Cooperating with Ellison International Group in
Germany,Defu group successfully developed a
series of original air solutions and received positive market feedback,establishing a solid development foundation.
2017
Defu developed the first small rooftop air conditioner with cooling and heating for light truck cabin,becoming a leader in vehicle air industry with multiple
intellectual property.
2018
Targeting at liquid fuel heaters specifically for
electric vehicles,Defu developed the heater
automatically adjusts the pump frequency according to temperature setting,making truly frequency
variable heaters.
2020
Confronted with the coronavirus epidemic, Defu fought back and made historical sales, with 200,000 sets of parking air conditioners, becoming a preferred brand for truck drivers.
2021
Defu launched electric refrigeration unit at
DC 12V,24V,48V,60V,and 72V.It is widely
used in various vehicles such as new energy
electric vehicles,electric tricycles,and refrigerated trucks.
2022
Thanks to more than ten years of profound
experience,Defu has gradually promoted
the localization process of accessories,
continuously adjusting product strategies
according to market demands,providing
customers with more flexible and personalized parking heating and cooling solutions.
2023
Defu establishes a comprehensive after-sales
service network,covering over 2000 cities in China,
to achieve nationwide warranty and ensure that every customer can enjoy timely and professional after-sales support.
2024
A series of new AC models, including the
Defu DR1 and DR3 double condenser fan
rooftop air conditioner, R4 and DR2 dual
rotor compressor rooftop air conditioner.
and ultra thin split cooler for Rv's, have been
launched and won market recognition.
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