China Good Quality DC Cooling Fan & Blower Manufacturer

Full range of Chenri DC cooling fans and blowers

Since 1996 · R&D · Manufacturing · Custom Thermal Solutions

Professional DC Cooling Fans & Centrifugal Blowers Manufacturer

From 20 mm to 170 mm — axial fans and blowers in 5/12/24/48 V, with PWM, tacho signal and IP waterproof options. Engineered for power supplies, LED, energy storage, EV chargers and harsh tropical environments.

  • 1996Industry Roots
  • 8,000㎡Dual Plant Area
  • 2.5MUnits / Month
  • 20–170mmFull Size Range

Featured Products

DC Axial Fans & Centrifugal Blowers

Low power consumption, ultra-quiet operation, long lifespan, large airflow and high temperature resistance — all RoHS compliant. Models 20–170 mm, 5/12/24/48 V; PWM speed control, tacho signal and IP-rated waterproof versions optional.

  • 20x20x10 mm micro DC axial fan

    DC Axial Fan 2010

    20×20×10 mm · 5 V

  • 25x25x07 mm micro DC axial fan

    DC Axial Fan 2507

    25×25×7 mm · 5 V

  • 30x30x10 mm DC axial fan

    DC Axial Fan 3010

    30×30×10 mm · 5/12 V

  • 40x40x10 mm DC axial fan

    DC Axial Fan 4010

    40×40×10 mm · 5/12 V · PWM / tacho optional

  • 40x40x10 mm DC centrifugal blower

    DC Blower 4010

    40×40×10 mm centrifugal blower

  • 45x45x10 mm DC axial fan

    DC Axial Fan 4510

    45×45×10 mm · 12 V

  • 50x50x15 mm DC axial fan

    DC Axial Fan 5015

    50×50×15 mm · 12/24 V

  • 50x50x15 mm DC centrifugal blower

    DC Blower 5015

    50×50×15 mm centrifugal blower

  • 60x60x25 mm DC axial fan

    DC Axial Fan 6025

    60×60×25 mm · dust-proof version available

  • 70x70x15 mm DC axial fan

    DC Axial Fan 7015

    70×70×15 mm · 12/24 V

  • 80x80x25 mm DC axial fan

    DC Axial Fan 8025

    80×80×25 mm · IP waterproof optional

  • 97x97x33 mm DC centrifugal blower

    DC Blower 9733

    97×97×33 mm high static pressure

  • 92x92x25 mm DC axial fan

    DC Axial Fan 9225

    92×92×25 mm · 12/24/48 V

  • 120x120x25 mm DC axial fan

    DC Axial Fan 12025

    120×120×25 mm · 12/24/48 V · PWM / tacho

  • 120x120x32 mm DC centrifugal blower

    DC Blower 12032

    120×120×32 mm · high airflow for cabinets

  • 140x140x25 mm DC axial fan

    DC Axial Fan 14025

    140×140×25 mm · 24/48 V

Can't find your size? We develop custom models from your drawings or samples. Ask our engineers →

Product Series

One Family, Every Size You Need

From 20 mm micro fans up to 170 mm industrial workhorses — covering voltage specs of 5/12/24/48 V commonly used in industrial equipment.

  • 30 mm fan series30 mm Series
  • 40 mm fan series40 mm Series
  • 50 mm fan series50 mm Series
  • 60 mm fan series60 mm Series
  • 70 mm blower series70 mm Blowers
  • 80 mm fan series80 mm Series
  • 90 mm fan series90 mm Series
  • 120 mm fan series120 mm+ Series

About Us

Dongguan Hongchen Electronic Technology Co., Ltd.

Originated from Shenzhen Chuanhong Electronics Co., Ltd. founded in 1996, our formal entity Dongguan Hongchen Electronic Technology Co., Ltd. was established in Dongguan in 2012. We operate two coordinated production bases in Dongguan and Guangxi with a total plant area of 8,000 ㎡, focusing on R&D, manufacture and customized thermal solutions for DC cooling fans & blowers.

We own an independent R&D lab with full test equipment such as a wind tunnel, high–low temperature and dust testing machines. Equipped with 23 injection molding machines, 32 auto winding machines and 8 automatic production lines, our dual plants reach a monthly output of 2.5 million units.

“Survive by Quality, Develop by Reputation.”

  • OEM & ODM customization
  • Dual-base arrangement — quick sampling & punctual shipment
  • Trusted partner of many famous domestic brands
Start a Cooperation
120 mm DC axial fan product family RGB LED cooling fan lineup

Factory Tour

In-House Capability from Lab to Line

Independent R&D lab with wind tunnel and environmental test equipment
Independent R&D laboratory — wind tunnel, high–low temperature & dust test equipment
  • 23Injection Molding Machines
  • 32Auto Winding Machines
  • 8Automatic Production Lines
  • 2Production Bases (Dongguan & Guangxi)
  • 2.5MMonthly Output (units)
  • 100%Tested Before Shipment

Applications

Cooling Solutions for Demanding Equipment

Our fans are specially optimized to adapt to high-temperature, dusty tropical working environments — stable running for cabinets, power & energy storage equipment, and fully matching common DC voltage specifications for industrial equipment.

  • Power Supplies
  • LED Lighting
  • Energy Storage
  • EV Chargers
  • Home Appliances
  • Medical Electronics
  • Automotive Electronics
  • Industrial Cabinets

Quality & Certifications

Reliable by Design, Proven by Standards

  • ISO 9001Quality Management System
  • CEEuropean Conformity
  • RoHSHazardous Substances Free
  • 1–3 YearsWarranty on All Finished Fans
  • OEM & ODM Service

    Formal quotation based on your drawings or samples. Custom sizes, voltages, connectors, PWM/tacho, IP waterproofing and branding.

  • Dual-Base Production

    Dongguan + Guangxi plants guarantee quick sampling, flexible capacity and punctual shipment even in peak season.

  • Climate-Ready Engineering

    Fans optimized for high-temperature, dusty tropical environments with proven stability in cabinets, power and energy storage equipment.

  • Full-Process Traceability

    In-house molding, winding and assembly with full test equipment — every finished fan is tested before leaving the factory.

Send Your Inquiry

Get a Formal Quotation

Please send us your request — drawings or samples help us quote precisely — and we will reply as soon as possible.

Submitting opens your e-mail client with the message pre-filled — or write to us directly at sales@fanfasto.com.