About Us
Your Reliable, Creative, and Professional Cooling Fan Partner
Proventofan designs and manufactures AC, DC and EC cooling fans for industrial ventilation, electrical cabinets, HVAC equipment, inverters, renewable energy systems, and electronic devices.
Our main products include AC axial and centrifugal fans, DC axial and centrifugal fans, and high-efficiency EC axial and centrifugal fans. Our products are CE certified and manufactured in an ISO 9001-certified facility. We are committed to OEM, ODM and OBM services to meet your specific requirements.
Designing and Manufacturing Cooling Fans
Proventofan is a manufacturer of AC, DC and EC cooling fans. We own the factory, wind our own motors, cast our own aluminum housings and own our impeller molds, from a single sample to a full OEM production run.
- We own the factory
- Motor winding, in-house
- Aluminum housing die-casting, in-house
- Impeller molds, self-owned
From Raw Material to Finished Fan
A look at the stations behind every fan we ship: motor winding, impeller molding, die-casting, assembly and testing.
- Motor Winding
- Impeller Molding
- Aluminum Die-Casting
- Automated Assembly
- Temperature Rise Test
- Airflow & Static Pressure Test
- Aging Test
- Quality Inspection
Mission & Vision
Mission
To help engineers and OEM buyers solve real cooling and airflow problems with reliable, factory-direct fans and direct engineering support.
Vision
To become a globally respected brand, continuously advancing the cooling fan industry via creative design, sustainable development, and engineering technology.
Engineering First
Every spec question gets checked against real data before it gets an answer.
Factory Direct
No trading company markup. You deal directly with the people who wind the motors and own the tooling.
Quality Without Shortcuts
In-house winding, molds and die-casting, with 100% outgoing inspection before anything ships.
Responsive Partnership
We reply within 1 business day, and technical questions are reviewed by engineers who know the product.
Discover Our Product Range
Five product lines, one factory. Every range below ships in AC, DC or EC where applicable, with OEM and ODM support as standard.
-
Axial Fan
Reliable and stable cooling efficiency for equipment cooling and ventilation.
- Size
- 20mm–900mm
- Voltage
- AC · DC · EC
- Standard Sample
- 3–7 Days
- OEM & ODM
- Yes
-
Centrifugal Fan
Powerful, stable airflow with high static pressure for ducted systems.
- Size
- 133mm–560mm
- Voltage
- AC · DC · EC
- Standard Sample
- 3–7 Days
- OEM & ODM
- Yes
-
Centrifugal Blower
Excellent energy efficiency and performance in a compact footprint.
- Size
- 97mm–225mm
- Voltage
- DC · EC
- Standard Sample
- 3–7 Days
- OEM & ODM
- Yes
-
Fan Filter
Sophisticated protection design for electrical enclosure cooling.
- Size
- 106.5mm–323mm
- Material
- Plastic · Metal
- Sample
- 2–3 Days
- OEM & ODM
- Yes
-
Fan Guard Grill
Flexible tailoring to your dimension and performance needs.
- Size
- 40mm–280mm
- Material
- Steel · Plastic
- Standard Sample
- 3–7 Days
- OEM & ODM
- Yes
Ready to Work With Us?
Send us your specifications and we reply within 1 business day.
- Fan type and frame size — or the model of the fan you’re replacing
- Voltage and motor type (AC, DC or EC)
- Airflow requirement and static pressure
- Quantity
- IP rating and operating temperature
- Drawing or datasheet of the fan you’re replacing (if any)
Or reach us directly at andy@proventofan.com or WhatsApp +86 150 5752 3756