LANGZHENG
Centrifugal Fan Box
Widely used for ventilation and smoke exhaust in hotels, restaurants, auditoriums, theaters, basements, and industrial/mining buildings—especially where low noise and high airflow are essential.

LANGZHENG
Centrifugal Fan Box
Fans can be widely used for ventilation and smoke exhaust in hotels, restaurants, auditorium, theater, basement, industrial and mining enterprises office buildings and other places, especially in places where low Noise level and large air flow are required to ventilate and exhaust smoke.


If you complete the form below we will contact you as soon as possible.
LANGZHENG
Centrifugal Fan Box
Fans can be widely used for ventilation and smoke exhaust in hotels, restaurants, auditorium, theater, basement, industrial and mining enterprises office buildings and other places, especially in places where low Noise level and large air flow are required to ventilate and exhaust smoke.


Acoustic Cabinet Fans/Centrifugal Fan Box
In-line Duct Fans/Fresh Air Ventilator
We want to live in a world where good air quality is accessible to everyone. At LANGZHENG, we innovate in ventilation solutions that are energy efficient, easy to install, reliable and durable to ensure air quality in all the indoor spaces that we inhabit and pass through.








Acoustic Cabinet Fans
Centrifugal Fan Box
In-line Duct Fans
Fresh Air Ventilator
We want to live in a world where good air quality is accessible to everyone. At LANGZHENG, we focus on cabinet centrifugal fans that are energy-efficient, easy to install, and built for long-lasting performance. Designed to handle larger commercial and industrial spaces, our fans ensure reliable, high-quality airflow wherever you need it most.
High-Performance Cabinet Centrifugal Fans for Superior Airflow
Our cabinet centrifugal fans are designed for large-scale ventilation and smoke exhaust in commercial, industrial, and public spaces. Built for both indoor and outdoor installation, they deliver powerful airflow with low noise.
Explore our wide range of models and find the perfect solution for your project!

01
Superior Build & Optimized Airflow
Crafted from premium galvanized steel, the fan casing is corrosion-resistant and structurally reinforced to withstand demanding environments. The precision-engineered impeller and blades optimize airflow, ensuring high efficiency, low noise, and steady performance over extended use.
02
Reliable Power & Easy Installation
Featuring a high-performance motor with ISO9001 and CCC certification, the fan delivers consistent power and energy efficiency. The European-style belt drive system enhances power transmission while minimizing vibration, allowing for quick and hassle-free installation, ideal for large-scale industrial projects.


03
Enjoy a quiet and clean space
Langzheng has over 9 years of experience in motor research, development, and manufacturing. The motor features a triple protection system (overcurrent, overvoltage, and overheating protection).
▷ Durable and Stable: Continuous operation under extreme conditions without performance degradation.
▷ Safety Protection: Intelligent power-off response to sudden stalling.
▷ Energy Efficiency Benchmark: Energy-saving performance that surpasses industry standards.

Robust Construction & Performance
Made from high-quality galvanized steel, our fan casing is corrosion-resistant and highly durable. The reinforced impeller and precision blades ensure smooth airflow, minimal noise, and long-term reliability.

Efficient & Reliable Operation
Equipped with a certified high-performance motor and an advanced belt drive system, our fans offer stable power transmission, reduced vibration, and easy installation, making them ideal for industrial applications.

Safe and stable motor
Langzheng has over 9 years of experience in motor research, development, and manufacturing. The motor features a triple protection system (overcurrent, overvoltage, and overheating protection).
▷ Durable and Stable: Continuous operation under extreme conditions without performance degradation.
▷ Safety Protection: Intelligent power-off response to sudden stalling.
▷ Energy Efficiency Benchmark: Energy-saving performance that surpasses industry standards.
99%
Customer satisfaction
12,480
Running the device
9+
Years of Establishment
64+
Sales coverage countries







What our customers say
Hear from our satisfied customers who have experienced the quality and value of our products and services.
The cabinet centrifugal fan runs smoothly with excellent airflow. It’s quiet and efficient—exactly what we needed for our industrial project.

Jordan Smith
Reliable quality at competitive prices! As a distributor, we appreciate Langzheng’s wide product range and factory-direct pricing.

Li Song
Langzheng provided customized OEM solutions with fast production and strict quality control. A trustworthy partner for large-scale ventilation projects.

Casey Williams
We installed these fans in our commercial building, and the performance has been outstanding. Great ventilation capacity and minimal maintenance.

Riley Brown
Our clients are highly satisfied with these centrifugal fans. They meet fire safety requirements and offer stable operation at an unbeatable price.

Morgan Davis
Langzheng’s expertise in manufacturing and their ability to meet our technical specifications make them an ideal OEM partner. Reliable and cost-effective.

Cameron Miller
Cooperation Cases






What our customers say
Hear from our satisfied customers who have experienced the quality and value of our products and services.
The cabinet centrifugal fan runs smoothly with excellent airflow. It’s quiet and efficient—exactly what we needed for our industrial project.

Jordan Smith
Langzheng’s expertise in manufacturing and their ability to meet our technical specifications make them an ideal OEM partner. Reliable and cost-effective.

Li Song
Reliable quality at competitive prices! As a distributor, we appreciate Langzheng’s wide product range and factory-direct pricing.

Morgan Davis
We installed these fans in our commercial building, and the performance has been outstanding. Great ventilation capacity and minimal maintenance.

Casey Williams
Frequently Asked Questions
Find answers to commonly asked questions about our products and services.
Are these cabinet centrifugal fans suitable for large commercial and industrial spaces?
Yes, they are designed for high-volume ventilation and smoke exhaust, making them ideal for commercial buildings, factories, and warehouses.
Do you offer OEM or customized production?
Absolutely! We provide OEM manufacturing with custom specifications, branding, and technical adjustments based on client requirements.
What advantages do your fans offer to distributors?
As a direct manufacturer, we offer factory-direct pricing, consistent quality, and reliable supply, ensuring great margins for distributors.
Are your products compliant with international safety and ventilation standards?
Yes, our fans meet fire safety and energy efficiency standards, making them suitable for global markets.
How can I get a quote or place an order?
You can fill out the contact form on our website or reach us via WhatsApp for quick assistance and pricing details.
How energy-efficient are your cabinet centrifugal fans?
Our fans are designed with high-efficiency motors and optimized airflow systems, reducing energy consumption while maintaining powerful ventilation performance
Centrifugal Fan Box
We are a professional manufacturer of ventilation and smoke exhaust systems, with extensive industry experience and advanced production capabilities. Our factory ensures high-quality, efficient, and fire-safe products through strict material selection and precise manufacturing.
We invite you to visit our factory, witness our production process, and explore potential cooperation opportunities to build a safer and more efficient future together!
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We sincerely invite you to visit our factory, experience our production strength and professional atmosphere in person, witness the birth process of our equipment, explore the possibility of in-depth cooperation, and create a better future together!
If you complete the form below we will contact you as soon as possible.
Contact Us
Here’s how you can contact us for any questions or concerns.
Address
No. 1, Central Air Conditioning Science & Technology Entrepreneurship Park,
Luquantun Town, Wucheng County, Dezhou City,Shandong Province, Postal Code 253300
Phone/WhatsApp/WeChat
+8618526263999
liupeng18526263999@gmail.com