Reliable Ventilation & Smoke Exhaust Solutions

Langzheng specializes in high-performance ventilation and smoke exhaust systems for commercial, industrial, and residential applications.
With advanced manufacturing and cost-effective solutions, we ensure efficient airflow and fire safety compliance worldwide.
Explore our products today!

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LANGZHENG


Ventilation & Smoke Exhaust Solutions

Exhaust Solutions
Experts in air ventilation and fire smoke exhaust for commercial, industrial, and residential spaces. Reliable, efficient, and fire safety compliant.

Commercial Airflow Solutions
Industrial Ventilation Systems
Fire & Smoke Exhaust System


Where Can Langzheng Ventilation Solutions Be Applied?

Commercial Airflow Solutions


Efficient airflow solutions for restaurants, malls, and offices
Our commercial ventilation systems provide clean air circulation, odor control, and energy efficiency, creating a comfortable environment for customers and employees.

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Industrial Ventilation


Reliable ventilation for factories, warehouses, and heavy-duty environments
Engineered for high airflow capacity, dust removal, and heat dissipation, our industrial ventilation solutions enhance workplace air quality and operational efficiency.

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Fire & Smoke Exhaust


Critical smoke extraction for fire safety compliance
Our advanced fire and smoke exhaust systems remove toxic fumes, improve air circulation, and ensure safe evacuation, meeting international fire safety standards for enhanced protection.

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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.

★★★★★

Langzheng’s engineering team carefully assessed our requirements, delivering top-tier solutions at outstanding value. Their strict quality control and prompt communication made the entire process seamless.

Jordan Smith

★★★★★

The after-sales support exceeded our expectations. From installation tips to maintenance guidance, Langzheng’s responsiveness and professionalism really stood out.

Li Song

★★★★★

We integrated several Langzheng HVAC products into our facility, and they’ve proven both durable and energy-efficient. Their advanced workshop and automated production are evident in the final product quality.

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

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What our customers say

Hear from our satisfied customers who have experienced the quality and value of our products and services.

★★★★★

Langzheng’s engineering team carefully assessed our requirements, delivering top-tier solutions at outstanding value. Their strict quality control and prompt communication made the entire process seamless.

Jordan Smith

★★★★★

The after-sales support exceeded our expectations. From installation tips to maintenance guidance, Langzheng’s responsiveness and professionalism really stood out.

Li Song

★★★★★

We integrated several Langzheng HVAC products into our facility, and they’ve proven both durable and energy-efficient. Their advanced workshop and automated production are evident in the final product quality.

Casey Williams

HOME

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.

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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

EMAIL

liupeng18526263999@gmail.com

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