China Cooling Fan,DC Fan,DC Cooling Fan Manufacturers, Suppliers, Factory-Fastflag

ABOUT US

QISU-FASTFLAG FAN is a leading technology company in China founded in 2011. Manufacturing cooling fans since its establishment, with high capacity of R&D, production and sales, QISU has been committing to providing customers with high quality products and professional cooling solutions. Our 2000㎡ plant has more than 150 employees, including 10 experienced managers and skillful technical engineers. We have built complete product R&D, production and testing system. By adopting a combination of fully automatic, semi-automatic and manual production lines, as well as cooperating with thorough production and quality control processes, we have passed and strictly followed the ISO9001, ISO14001 system for management.

Applications

Applications of all kinds rely on AC, DC, or micro blowers to maintain airflow at a constant speed. The versatility of these fan blowers makes them popular for a variety of industrial, commercial, and residential applications.

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WHY US

Professional manufacturer with superior quality products & services, one-stop cooling fan solution provided, rich experience in OEM/ODM, wide product range for options with short lead time

Professional Manufacturer

One-stop Cooling Fan Solution provided

Rich Experience in OEM/ODM service

Strong R&D team to satisfy customer requirements with the best and flexible designs
Superior Quality Products & Services

Strict quality control system and long-term quality advantage to ensure the stability of products

Experience in cooperation with the international brands can provide professional/honest/innovative services and products.
Wide Product Range

Wide product range can meet almost all the requirements from cooling fan customers.
Short Lead Time

Automatic, semi-automatic and manual production lines for short lead time.

FAQ

Q How to choose fan ?

A
A1: Firstly, please kindly confirm which type of fan you need: DC, AC or EC fan.
Secondly, confirm the main points: size, voltage, speed/airflow, lead wire, lifespan.
Then, consider your product inlet & outlet, choose axial fan or blower fan.
Axial fan blows air along the axis and blades, while blower fan blows air from the fan hole. Airflow of axial fan is powerful, while static pressure of blower is stronger.
Q Can you inform me the normal DC fan models you have?

A
A2: 20x20x06mm，20x20x08mm，20x20x10mm，25x25x07mm，25x25x10mm，30x30x07mm，30x30x10mm，35x35x10mm，38x38x28mm, 40x40x10mm， 40x40x28mm，40x40x56mm，50x50x20mm，60x60x25mm，60x60x38mm，70x70x25mm，80x80x25mm，80x80x38mm，92x92x25mm，92x92x38mm，120x120x25mm，120x120x38mm，140x140x25mm，172x150x51mm
Still, we can offer you more items for options.
Q Can I get samples before order?

A
A3: Sure! Definitely, that's our suggestion too. We will proceed the order accordingly after we get sample approval from the customers. Mass production will be arranged and keep consistent with the approved sample.
Q Can QISU make special design fans?

A
A4: Sure, we get rich experience in OEM/ODM projects. Just inform us the detailed requirements, our R&D will check and provide the solution accordingly.
Q What certificates you get for the fans?

A
A5: Focusing on excellent products, our cooling fans meet major quality standards. We’ve already obtained CE, RoHS and FCC certificates.

News

Mission Statement of QISU

July 3, 2023

QISU upholds quality to maintain the value of the brand. We use services to help customers understand QISU's mission statement of "Integrity, innovation, efficiency, and quality".

The Working Principle of DC Cooling Fans

July 3, 2023

Through DC voltage and electromagnetic induction, the electric energy is converted into kinetic energy, thereby driving the rotation of the fan blade.

Steps for DC Cooling Fan Installation

July 3, 2023

Use a multimeter to test the coil winding and the circuit board for each component. The installation aperture of the fan must be larger than the diameter of the fan.

Lower Noise
Higher Energy-efficiency
Longer Service Life

Higher Flexibility
Excellent Performance

High Quality Fans
Professional Cooling Solutions

Professional Cooling Fan Manufacturer
Wide Product Range With Superior Quality

ABOUT US

Equipment

Medical

Manufacturing

Agriculture

Automotive

Oil & Gas

20x20x06mm

60x60x25mm

80x80x25mm

92x92x25mm

120x120x32mm

120x120x38mm

140x140x25mm