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中文
20,000+㎡
Smart Manufacturing Base
60+
Production & Testing Equipment
20+ Yrs
HVAC Manufacturing Experience
5000+
Global Delivered Customers

Professional HVAC Solutions

One-stop service from design to delivery

Custom Design

HVAC system solutions tailored to your project requirements and building specifications.

In-house Production

Self-owned production base equipped with automatic assembly lines, enthalpy test laboratory, and a strict ISO 9001 quality control system.

Global Shipping

Professional wooden crate packaging, shock-proof, moisture-proof and rust-proof, suitable for sea and air freight.

After-sales Support

Technical guidance for installation and commissioning, with 24-hour response for overseas projects.

Products

PRODUCT CENTER

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Application Scenarios

Application Solutions

Providing professional HVAC and air solutions for various industries

Hotel HVAC Solutions

Hotel HVAC Solutions

Cassette fan coil units installed in ceilings of commercial spaces such as restaurants and hotel lobbies, combined with decorative lighting and piping systems to achieve even air distribution and low-noise operation, comprehensively enhancing the comfort experience of guests and customers.

Hospital & Medical HVAC

Hospital & Medical HVAC

Suspended air handling units being installed during construction of hospitals and large public medical buildings, combined with fresh air and duct systems to meet the strict requirements for air quality, temperature and humidity in large spaces such as outpatient halls and inpatient departments.

Cleanroom Precision Air Conditioning

Cleanroom Precision Air Conditioning

High-standard clean production workshops for electronics, pharmaceuticals and precision manufacturing, with combined air handling units and supply air ducts installed at the top to achieve constant temperature and humidity and positive pressure control, ensuring stable compliance with cleanliness class requirements.

Commercial Office Air Conditioning

Commercial Office Air Conditioning

Concealed horizontal fan coil units and chilled water piping installed within office building ceilings, hidden installation saving space, combined with fresh air systems to provide a stable and comfortable air conditioning environment for office areas.

Data Center Cooling

Data Center Cooling

Large-capacity air handling units suspended from the ceiling of tall spaces such as data centers and equipment rooms, combined with duct systems to form organized airflow distribution, ensuring 7x24-hour stable heat dissipation for critical equipment.

Industrial Plant Ventilation

Industrial Plant Ventilation

High-capacity air handling units installed at the top of large industrial plants, covering vast production areas through long-distance air supply, suitable for ventilation and temperature control in tall spaces of food processing, textile and manufacturing workshops.

Project Cases

Project Cases

Products exported to 60+ countries and regions worldwide

High-end Hotel and Commercial Building Central Air Conditioning Project

High-end Hotel and Commercial Building Central Air Conditioning Project

Cassette fan coil units neatly installed along structural walls in hotels/commercial buildings, combined with water pipes and condensate drainage to achieve independent zoned temperature control for guest rooms, lobbies and public areas.

Commercial Office Building HVAC Project

Commercial Office Building HVAC Project

During the renovation phase of a commercial office building, cassette fan coil units and fresh air ducts are installed simultaneously with fire protection piping, meeting the air conditioning needs of office, commercial and dining multi-scenario spaces.

Pharmaceutical GMP Cleanroom Project

Pharmaceutical GMP Cleanroom Air Conditioning Duct Project

Technical interstitial space of pharmaceutical/electronics clean workshops, with air ducts and air handling units densely arranged to ensure that temperature, humidity, pressure differential and air change rates in clean areas meet GMP/process standards.

Hospital Public Building Air Conditioning Project

Hospital Public Building Air Conditioning Project

During construction of a hospital/public medical building lobby, multiple cassette fan coil units are uniformly installed with aerial work platforms, meeting the air conditioning needs of large public spaces such as outpatient and inpatient departments.

Tall Workshop / Data Center Ventilation and Cooling Project

Tall Workshop / Data Center Ventilation and Cooling Project

High-capacity air handling units lined up in a steel-structure tall workshop/data center, combined with industrial ceiling fans to form an integrated ventilation and cooling solution, ensuring stable operation of equipment and environment.

Large Manufacturing Base Ventilation and Air Conditioning Project

Large Manufacturing Base Ventilation and Air Conditioning Project

At the construction site of a large manufacturing base, multiple air handling units are laid out and installed along crane beams, with aerial work platforms used for overall HVAC construction, supporting large-scale production environments.

Why Choose Us

Why Choose Us
Factory Production Line

20+ Years of Excellence in HVAC Manufacturing

LANGQIWEI Air Conditioning Co., Ltd. is a comprehensive commercial central air conditioning enterprise integrating R&D, design, production, sales and maintenance. Our 20,000+ sqm manufacturing base features automatic assembly lines, an in-house enthalpy test laboratory and advanced testing equipment — providing complete air solutions for commercial buildings, hotels, hospitals and factories worldwide.

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Certifications Overview

Complete Global Market Compliance Certifications

Every LANGQIWEI unit ships with the compliance documents your project requires. We hold ISO 9001 quality management, ISO 14001 environmental management, and EU CE certification, and continue to expand our certifications to serve the North American, Middle Eastern and Southeast Asian markets.

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R&D Image

Senior Engineering Team & Non-standard Customization

Our R&D team combines deep HVAC expertise with flexible manufacturing capabilities to deliver professional non-standard customization — from special dimensions and voltage requirements to private-label branding and project-specific control solutions. Tell us your project requirements and we will engineer the design for you.

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Global Services

Trusted by 5000+ Customers, Exported to 60+ Countries

LANGQIWEI products are exported to Europe, Southeast Asia, the Middle East, Africa and the Americas. We provide comprehensive pre-sales consultation, project specification assistance, installation guidance and after-sales technical support for every overseas project. A professional foreign trade team ensures smooth communication from inquiry to delivery.

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Corporate News

LEARN ABOUT CORPORATE NEWS

News & Events

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Technical knowledge

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About LANGQIWEI

About LANGQIWEI

Full-Range Commercial Central Air Conditioning Manufacturer

LANGQIWEI Air Conditioning Co., Ltd. is a comprehensive commercial central air conditioning enterprise integrating R&D, design, production, sales and maintenance. Our main products include concealed/exposed fan coil units, cassette two-way/four-way/eight-way fan coil units, suspended/vertical air handling units, combined air handling units, direct expansion air conditioning units, heat recovery units, fresh air units (unidirectional/bidirectional/heat recovery/purification type), W series air-cooled heat pump module units, screw chillers, centrifugal chillers, and other full-range central air conditioning products.

Our products are widely used in commercial buildings, hotels, hospitals, factories, shopping malls, entertainment centers, theaters and stadiums, and are exported to more than 60 countries and regions across Europe, the Americas, Southeast Asia, the Middle East and Africa.

LANGQIWEI Air Conditioning Factory
Lonkeywei Air Conditioning Co., Ltd

Professional HVAC manufacturer.


Providing complete air solutions for global construction projects.

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