Presenting the Large Industrial Exhaust Fan, engineered for supreme efficiency and robust performance.
This innovative machine is designed to be opposite to the installation site, allowing doors and windows to naturally draw in
fresh air, efficiently expelling the stifling indoor atmosphere. It's the ultimate solution to any ventilation challenges you may face.
Our FJDH series negative pressure fans boast remarkable features including large air flow, minimal energy consumption, long-lasting durability, steady operation, and more.
1. High-density galvanized fence that resists rust for enhanced safety. The thickened galvanized sheet shell withstands high temperatures up to 50 degrees and is impervious to wind and rain.
2. Stainless steel blades are precision-stamped for low noise and extended durability.
Product ApplicationsIdeal for high-temperature or odor-resistant environments, such as heat treatment facilities, casting factories, leather production sites, and various chemical product industries.


Installation Instructions
FJDIAMOND Fans stands as a high-tech enterprise seamlessly integrating R&D, production, sales, and technical support. Since our inception, we have been committed to HVLS (high-volume, low-speed) variable frequency control fans, exhaust fans, and air coolers, aiming to minimize operational costs, enhance employee comfort, and advocate for a low-carbon lifestyle.
FJDIAMOND is diligently crafting a global service network, with aspirations to serve over 80 countries. Our comprehensive service includes localized pre-sales, after-sales, and technical support, establishing new benchmarks for service excellence under the tenet of 'Quality Assurance and Owner's Satisfaction.'
Application Cases
Q: Are you the factory?
A: Absolutely, we are a factory specializing in large ceiling and movable fans, stationed in Fujian, China, assuring you a direct supply of fans.
Q: Where does your fan find its application?
A: Our fans are extensively utilized across factories, logistics hubs, warehouses, supermarkets, halls, and more.
Q: Is it powered by electricity?
A: Indeed, it operates on electricity but consumes only 0.75KW or less, making it exceptionally energy-efficient.
Q: How is the pricing per fan determined?
A: We offer competitive pricing based on the quantity and model of the fan you choose.
Q: What is your delivery timeline?
A: Our standard delivery time is within 7-10 working days.
Q: What is the warranty period?
A: We provide a 3-year warranty to assure quality, with an impressive service life exceeding 20 years.