LANGZHENG
Smoke Exhaust Fan
High-temperature ventilation for commercial, residential, parking garages, and industrial sites.
Manufacturer-direct, unbeatable prices.
LANGZHENG
Smoke Exhaust Fan
Langzheng Smoke & Heat Exhaust Fans
High-temperature ventilation for commercial, residential, parking garages, and industrial sites.
Manufacturer-direct, unbeatable prices.
If you complete the form below we will contact you as soon as possible.
LANGZHENG
Smoke Exhaust Fan
Langzheng Smoke & Heat Exhaust Fans
High-temperature ventilation for commercial, residential, parking garages, and industrial sites.
Manufacturer-direct, unbeatable prices.
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.
Smoke Exhaust
Industrial Axial Flow Fan
Fire Damper
Centrifugal Fan Box
low noise ventilation boxes
At LANGZHENG, we are committed to creating a safer environment with high-performance smoke exhaust and ventilation solutions. Our products are energy-efficient, easy to install, reliable, and durable, ensuring optimal air quality and fire safety in all indoor spaces.
Long-term ventilation system for optimal indoor air quality
Our ventilation boxes are suitable for any environment, such as residential, commercial or industrial use. Our different models can be installed both outdoors and indoors.
Discover our wide range of ventilation boxes and choose the one that best suits your room!
01
low noise ventilation boxes
Our low-profile soundproof cabinet fans are made of galvanized steel and lined with fire-resistant soundproofing material. With sound-absorbing insulation at the inlet, they ensure ultra-quiet operation while maintaining strong airflow. All models come with intake and exhaust ducts, making them easy to install in various ventilation systems.
02
Enjoy a quiet and clean space
Fully enclosed box structure combined with a sound-absorbing cotton layer (reducing noise by 50%).
Advanced spiral air duct (increasing airflow efficiency by 200%).
▷ Home/office: Approximately library-level silence
▷ Industrial settings: Overall equipment noise reduced by 50%.
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.
low noise ventilation boxes
Low profile soundproof cabinet fans are manufactured from galvanized steel and internally lined with fire-resistant soundproofing material, with sound-absorbing insulation at the inlet. All models are fitted with intake and exhaust ducts.
Enjoy a quiet and clean space
Fully enclosed box structure combined with a sound-absorbing cotton layer (reducing noise by 50%).
Advanced spiral air duct (increasing airflow efficiency by 200%).
▷ Home/office: Approximately library-level silence
▷ Industrial settings: Overall equipment noise reduced by 50%.
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.
Outstanding Acoustic Cabinet Fans – as a distributor buying direct from the manufacturer, we secured unbeatable prices and superior quality
Jordan Smith
These Acoustic Cabinet Fans feature innovative design and excellent performance. Manufacturer direct supply means we get super low prices for our shop
Li Song
In our factory, the Acoustic Cabinet Fans offer both innovation and reliability. Direct from the manufacturer, the quality and unbeatable price are simply impressive.
Casey Williams
The Acoustic Cabinet Fans are a game-changer. Factory-direct prices make them a top choice for distributors.”
Riley Brown
Exceptional quality and service with an innovative edge. Our office ventilation has never been so efficient and affordable.
Morgan Davis
Amazing product and service! Our restaurant now enjoys a quiet, comfortable atmosphere at a remarkably low cost.
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.
Outstanding Acoustic Cabinet Fans – as a distributor buying direct from the manufacturer, we secured unbeatable prices and superior quality
Jordan Smith
These Acoustic Cabinet Fans feature innovative design and excellent performance. Manufacturer direct supply means we get super low prices for our shop
Li Song
In our factory, the Acoustic Cabinet Fans offer both innovation and reliability. Direct from the manufacturer, the quality and unbeatable price are simply impressive.
Morgan Davis
The Acoustic Cabinet Fans we ordered are game-changing. Direct manufacturer sales and rock-bottom prices make them a top choice for distributors.
Casey Williams
Frequently Asked Questions
Find answers to commonly asked questions about our products and services.
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Acoustic Cabinet Fans are specially designed to minimize noise while maintaining powerful airflow. They feature a fully enclosed box structure and sound-absorbing cotton, reducing operational noise by up to 50% compared to standard fans.
Can Acoustic Cabinet Fans handle commercial or industrial environments?
Absolutely. Whether it’s a net café, coffee shop, restaurant, supermarket, or factory floor, these fans efficiently move air while keeping noise levels low—ideal for both customer-facing spaces and industrial facilities.
How energy-efficient are these fans?
Thanks to an advanced spiral air duct design, airflow efficiency is increased by up to 200%. This not only saves energy but also ensures stable performance under demanding conditions.
Are these fans easy to install and maintain?
Yes. Each fan comes with intake and exhaust ducts for straightforward installation. The robust construction and high-quality materials mean minimal maintenance, making them a hassle-free solution.
Do you offer bulk or distributor pricing?
We sell directly from the manufacturer, which allows us to provide exceptionally low prices, especially for bulk orders. Distributors can take advantage of our direct supply chain for cost-effective stocking.
How do I know if Acoustic Cabinet Fans are right for my application?
If you’re looking for powerful ventilation with minimal noise—particularly in settings where a quiet environment is crucial—Acoustic Cabinet Fans are an excellent choice. They combine innovative design, durability, and cost efficiency to meet a wide range of ventilation needs.
Smoke Exhaust Fan
We are a professional manufacturer of basket washing machines, possessing profound technical expertise and rich experience in the field of basket washing machine manufacturing. Our factory is equipped with advanced production equipment and refined manufacturing techniques. From the strict screening of raw materials to the meticulous processing of each production step, we uphold the spirit of craftsmanship and are committed to creating high-quality and high-performance basket washing machine products. Hereby, we cordially invite you to visit our factory, to experience our production strength and professional atmosphere in person, to witness the birth process of our basket washing machines together, and to explore the possibilities of in-depth cooperation, thus jointly creating a clean and efficient future!
Home
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