About Us

Who We Are​

Langzheng Founded in 2016, Langzheng is situated in China’s premier manufacturing hub for central air conditioning terminal equipment. Spanning 230,000 square meters, our modern production facility enables large-scale manufacturing of acoustic cabinet fans, cabinet centrifugal fans, fire smoke exhaust fans, axial flow fans, fire dampers, and more.

We proudly serve clients worldwide, delivering innovative, reliable, and cost-effective HVAC solutions. Through advanced technology and stringent quality control, Langzheng ensures exceptional performance across commercial, industrial, and residential applications on a global scale.

Langzheng Team and Services

Our technical team of seasoned engineers and R&D experts continuously drives innovation, ensuring each product meets international standards for performance, efficiency, and safety. Complementing this, our after-sales team offers comprehensive support, including professional installation guidance, on-site maintenance, and responsive customer service.
At the heart of our operation is a state-of-the-art workshop, equipped with advanced machinery and automation, guaranteeing consistent quality across every product. We proudly serve clients worldwide, delivering reliable, cost-effective HVAC solutions for commercial, industrial, and residential applications.

Langzheng Team & Services

At Langzheng, our dedicated engineers and R&D experts ensure every product meets international standards. Our after-sales team provides full support, including installation guidance and on-site maintenance. With a state-of-the-art workshop and advanced machinery, we deliver reliable, cost-effective HVAC solutions to clients worldwide.

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Our customers

We have been cooperating

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

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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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