Dezhou Sino Air Conditioner Equipment Co., Ltd.
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ABOUT US
Located in Shandong Province, North China, Dezhou DEFU Air Conditioner Equipment Co., Ltd., covers an area of 80 acres with standard workshops over 35,000 square meters. Equipped with a complete set of advanced equipment, including Swiss CNC machining equipment, Japanese turning-milling composite processing equipment, German CNC grinder, Japanese three-coordinate measuring machine and so on, DEFU Air treat quality as top priority. Meanwhile advanced automotive electric air conditioning system environment simulation laboratories have been established.
Contact Us
Product Range
Product Category
Key Features
Best For
Energy Source
Key Considerations
1. Parking Air Conditioners
▪ Rooftop Parking AC
- Compact rooftop installation
Large trucks, buses, RVs
Battery/Solar/Low-voltage DC
- Installation space on roof
- High cooling capacity
(stationary cooling during parking)
- Battery life vs. cooling demand
- Quiet operation
▪ Backpack Parking AC
- Portable, rear-mounted design
Small/medium trucks, vans
Battery/Low-voltage DC
- Portability needs
- Lightweight
(flexible cooling for parked vehicles)
- Space constraints on vehicle exterior
- Easy installation
2. Heating Solutions
▪ Diesel Heaters
- Rapid heating in extreme cold
Trucks, buses, off-road vehicles
Diesel
- Fuel availability
- Fuel-efficient
(heating cabins during winter operation)
- Emissions compliance
- Low emissions
- Cold climate performance
3. Refrigeration & Power
▪ Truck Electric Refrigeration
- All-electric cooling for cargo
Commercial trucks, cold-chain logistics
Vehicle battery/DC power
- Cargo size vs. cooling efficiency
- Zero emissions
(perishable goods during transit)
- Battery drain management
- Precise temp control
▪ DC Generators
- Auxiliary power supply
EVs, hybrid vehicles, emergency power needs
DC power (compatible with EV systems)
- Power output requirements
- Supports AC/DC devices
- Integration with existing vehicle systems
- Compact design
4. Vehicle AC Parts
▪ AC System Components
- Compressors, condensers, evaporators
Repair, maintenance, or upgrades
N/A
- Customizable for OEMs/aftermarket
(compatible with most vehicle models)
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Core Services & Expertise
01
Customized Electric A/C Systems
Advanced HVAC systems optimized for electric vehicles, minimizing energy draw while maximizing cooling/heating performance.
Integrated components: electric compressors, condensers, evaporators, and intelligent control modules.
02
R&D‑Driven Solutions
Collaboration with global automakers to create bespoke thermal management systems for passenger cars, commercial vehicles, and specialty EVs.
Expertise in battery thermal management integration to extend EV range and enhance battery longevity.
03
End‑to‑End Support
From prototyping through mass production, DEFU provides comprehensive engineering support, validation testing, and after‑sales service.
Fully compliant with ISO 9001 and IATF 16949 quality management standards.
Advanced Production Capabilities
Smart Automation
Fully automated assembly lines with robotic precision ensure consistent output and scalability.
Cutting‑Edge Testing Labs
Laser alignment systems for sub‑millimeter component accuracy.
Environmental simulation chambers (–40 °C to +60 °C) validate system performance under extreme conditions.
AI‑powered predictive maintenance tools to guarantee long‑term reliability.
Sustainable Practices
Zero‑waste production processes and energy‑efficient facilities aligned with global carbon‑neutral objectives.
Proven Industry Experience
Global Partnerships: Trusted supplier to leading EV manufacturers and Tier 1 automotive brands across Europe, Asia, and North America.
Innovation Milestones: Over 2 million EVs equipped with DEFU A/C systems; pioneering lightweight, compact designs that reduce system weight by 30 %.
Certifications & Awards: Recognized for excellence in green technology and automotive engineering innovation.
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