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Weima Fans As a professional supplier with 16 years of experience in air conditioning unit fans, we offer customized high-efficiency and low-noise centrifugal fans and EC fan solutions to help enhance the market competitiveness of your air conditioning unit equipment.

In the manufacturing of air handling systems, are you currently encountering these challenges?
Unstable Performance: Inadequate airflow/pressure from poor system match.
High Energy Cost: Low-efficiency fans increase total cost of ownership.
Excessive Noise: Noise issues risk project bids and acceptance.
Unreliable Supply: Inconsistent delivery and quality disrupt your plans.
Limited Customization: Standard products can't meet your special needs.
Air Handling Unit Fan
An Air Handling Unit (AHU) is the heart of an HVAC system, responsible for conditioning and distributing treated air. A typical AHU core comprises a fan, filters, heat exchange coils, and a control system. The AHU fan, acting as the core driving unit, determines system efficiency based on its selection and installation. In modular air handling units, it often functions as an industrial centrifugal fan positioned at the rear to provide power. In contrast, within FFU systems, it is integrated into the top module as a high static pressure EC fan to create vertical unidirectional airflow for cleanrooms. This demands the fan to be a high-quality centrifugal fan, ensuring stability and low noise operation.

Current challenges in AHU and FFU systems often include inefficient fans, excessive noise, and poor system compatibility, leading to high energy consumption and maintenance costs. Therefore, during fan selection, project stakeholders should move beyond a price-only approach and seek a reliable AHU fan partner.
How can we solve this problems?
Our backward curved centrifugal fan: It boasts outstanding air volume and air pressure performance. The air volume ranges from 3000 to 12000 m3/h, and the air pressure ranges from 300 to 1000 Pa. It can meet the requirements of large AHU systems, industrial and commercial ventilation systems, high-static-pressure clean rooms, etc. EC plug fans are equipped with intelligent control and speed regulation functions, enabling energy savings of up to 30% to 60%.
Recommended models:
Why choose Weima Fans?
16 Years of Expertise: Extensive experience in production and R&D.
High Capacity & Fast Delivery: Monthly output of over 8000 units.
Rigorous Quality Control: Each product is tested for balance and operation before shipping.
Customization Support: OEM & ODM services available for size, materials, and logos (MOQ: 100 units).
Competitive Pricing: Special discounts for distributors and wholesalers.
Round-the-Clock Service: 24/7 online customer support.
SHANGHAI WEIMA ELECTRIC EQUIPMENT CO., LTD was established in 2009 and is located in the internationally renowned and conveniently located, beautiful city of Shanghai.The company has strong technical force and advanced production equipment, has perfect quality assurance system and first-class testing equipment, is a professional production of various types of micro motor, (fan), outer rotor axial flow fan, pipeline axial flow fan, centrifugal fan, a variety of blower, a new air change machine ventilation, ventilation equipment. Enterprises through the ISO9001 quality management system certification, ISO14001 environmental management system certification, products through the CCC, CE certification, the outer rotor fan made in the national industrial products production license.

In the fierce market competition, enterprises rely on strict scientific management, reliable quality of products around the world to win the trust of our customers.We have first-class CNC machining equipment, with an annual production capacity of 500000 of units, and we have 16 years of experience in the research and development and production of fans and motors.During the processing of our products, strict quality inspections are carried out before leaving the factory. Welcome to call us for any custom fan or motor solution.


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Our Customer
We are the original manufacturer and offer OEM customization and wholesale sales services. We support customization for HVAC fan project purchasing manager, HVAC Manufacturer, Our centrifugal fans are exported to more than 20 countries and regions every year, covering Europe, the Middle East, North America, South America, Southeast Asia and many other areas.

Our products are usually packed in cardboard boxes with PE bags inside. We will pay attention to prevent collision, and the shipping mark can be made according to customer's requirements.
Payment: All payments can be negotiated, usually by T/T or L/C at sight.
Delivery time: After receiving your payment, we will arrange production. We will ship the goods to your port of delivery as soon as possible.
Service: One year warranty, online technical service.
Q1:If there is no product size that meets the requirements, can it be customized?
A:If we can produce the required products, we can produce the required products according to the drawings and requirements provided by customers.
Q2:How long does it take to produce?
A:There is a stock can be sent Immediately. If there is no stock, one month at the latest.
Q3:How long does it take to ship?
A:It will take about 5-7 days to arrive by express and air. It may take up to a month to ship. It takes different time for different geographical locations.
Q4:Can you provide samples?
A:Yes. We can provide samples, but because most of the samples are sent by express, the cost may be very high.
Guide installation
Guidance on online service delivery
Advance service, whole process service
Communicate operation with customer's technicians
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