LANGZHENG
HHVAC Damper Manufacturer
WeSpecializing in air control dampers, volume dampers, fire dampers, and exhaust vents at factory prices.
LANGZHENG
HVAC Dampers & Air Control Solutions Manufacturer
Langzheng specializes in manufacturing a full range of HVAC dampers, with a focus on air control dampers, volume control dampers, and backdraft dampers for ventilation and air regulation. We also offer fire dampers, smoke dampers, exhaust vents, silencers, and other air system accessories. With competitive prices and fast delivery, we’re your trusted partner for reliable air movement control solutions.
If you complete the form below we will contact you as soon as possible.
LANGZHENG
HVAC System Components Manufacturer
Langzheng specializes in producing high-quality air control solutions, including fire dampers, smoke dampers, control dampers, check valves, silencers, and exhaust vents. Our cost-effective pricing ensures that you get reliable performance without overspending. Contact us today for the best deals on bulk orders!
Smoke Exhaust /Industrial Axial Flow Fan/Fire Damper
Centrifugal Fan Box/low noise ventilation boxes
Air Volume Control Damper
Motorized Damper
Fire Damper
Manual Damper
At LANGZHENG, we specialize in high-quality air volume control dampers for precise airflow control in HVAC systems.
We also offer fire dampers and industrial fans like axial and centrifugal types for efficient ventilation.
Custom specs, signal devices, and bulk pricing available for your projects.
Air Volume Control Damper
At LANGZHENG, we are dedicated to creating safer environments with high-performance ventilation and airflow control solutions.
This multi-blade air volume control damper is commonly installed in ventilation or HVAC systems to regulate airflow. The blades can be manually or electrically adjusted based on system needs.
Signal control devices and customized designs are available to meet your project requirements.
01
Heavy-Duty Material
Constructed with thick galvanized steel to resist corrosion and rust, this product maintains its integrity even under harsh environmental conditions. The robust design extends service life and enhances reliability, ensuring optimal performance in demanding applications.
02
High-Performance Actuator
Fitted with a brand-name actuator, this damper responds quickly and accurately to control signals. Its smooth operation enables precise regulation of airflow, making it ideal for both ventilation and fire safety systems across a wide range of industries.
03
Reliable Riveted Craftsmanship
Advanced riveting technology increases structural integrity and shock resistance, preventing loosening or vibration over time. This meticulous assembly method guarantees long-term durability, allowing the damper to perform consistently in critical environments.
Heavy-Duty Material
Built with thick galvanized steel to resist corrosion and rust, ensuring minimal wear even under harsh conditions. This robust construction extends the product’s service life and reliability.
High-Performance Actuator
Equipped with a brand-name actuator, the mechanism delivers quick, precise signal response. Its smooth operation provides accurate control, making it ideal for diverse ventilation and fire safety systems.
Reliable Riveted Craftsmanship
Advanced riveting technology boosts structural integrity and shock resistance. This meticulous assembly ensures durability and stability, allowing the product to perform consistently over the long term.
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.
We needed a reliable, fire-compliant damper at a great price—this product delivered perfectly.
Jordan Smith
Langzheng’s fire damper meets strict international standards, ideal for our overseas fire projects.
Li Song
Their OEM service was seamless, and the cost savings were substantial for our engineering needs.
Casey Williams
Solid construction, quick response—definitely great value for fire safety solutions.
Riley Brown
We tested it under high temperatures, and it performed flawlessly without inflating our budget.
Morgan Davis
High-quality dampers at unbeatable prices—an excellent choice for our global client base.
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.
We needed a reliable, fire-compliant damper at a great price—this product delivered perfectly.
Jordan Smith
Langzheng’s fire damper meets strict international standards, ideal for our overseas fire projects.
Li Song
Their OEM service was seamless, and the cost savings were substantial for our engineering needs.
Morgan Davis
Solid construction, quick response—definitely great value for fire safety solutions.
Casey Williams
Frequently Asked Questions
Find answers to commonly asked questions about our products and services.
Are these dampers suitable for high-temperature environments?
Yes. Our fire dampers are equipped with fusible links that melt at 70 °C (158 °F), triggering the blades to shut and block airflow during a fire.
Do you offer OEM or custom manufacturing services?
Absolutely. We tailor our solutions to your project needs, ensuring seamless integration.
Can these dampers be customized?
Yes, we provide custom sizes, blade types, materials, and control accessories to match your project’s technical specifications.
Are your prices competitive?
As a direct manufacturer, we offer highly competitive pricing without compromising quality. Bulk pricing is available.
Are they easy to install on large-scale engineering projects?
Yes. Our design streamlines installation, reducing both labor time and costs.
How can I get a quote or learn more about your products?
Simply fill out the contact form on our website or reach out to us directly. We’ll respond promptly with all the details you need.
Air Volume Control Damper
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!
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