Why Choose Us

Strong R&D Strength

Every investment in state-of-the-art ventilation technology pays off, as energy efficiency, environmental protection and climate protection are among the most important challenges facing humanity. Langdi has been optimizing ventilation technology for decades and is an innovation leader in this field.

Langdi is not only an expert in ventilation and air handling fan systems, we also provide the right product solution for every need.

Langdi Group has a modern technology building, a professional noise test room, an air volume test system with an air volume of over 100,000, and high-end R&D equipment such as three-coordinate precision measurement. It adopts advanced CFD simulation software and is equipped with decades of experience in fan research and development. team.

The company has reached long-term cooperation with many universities and scientific research institutions, and continues to invest huge amounts of research and development funds every year, realizing a modern research and development platform led by Langdi.

The company has more than 50 fan design patents, which are widely used in household air conditioners, commercial air conditioners, central air conditioners, HVAC purification, ventilation equipment and ducted air conditioners.

Reliable Production Capacity

At langdi, we have a strong production capacity, more than 1700 employees and 12 production bases to ensure that our orders are always dispatched on time.

The fan workshop is equipped with a professional production line and QC team, which can fully meet the production capacity requirements of each customer under the premise of ensuring quality.

The motor workshop produces AC motors, DC brushless motors, as well as various types of centrifugal fans, forward centrifugal fans, forward double-inlet and single-inlet fans. Equipped with a technical team with more than ten years of fan production experience, as well as various production testing equipment, integrating R&D, production and testing.

Langdi has experience in independent research and development and mold manufacturing, and all molds are independently designed.

Personalized Solutions

Langdi is not only an expert in ventilation and air handling fan systems, we also provide the right product solution for every need.

At Langdi, reliability and innovation go hand in hand: centrifugal fans in all model series impress with their high air volumes and pressures, excellent efficiency and future-proof technology. Special design ensures quiet operation. Our high-performance fans and blades resist large temperature fluctuations and impress with their chemical resistance. Modular, stackable and speed-controlled fan systems complete the product range.

Langdi's R&D team continues to rise to the challenge, providing targeted solutions for daily application pain points and difficulties to meet customer needs.

Langdi offers the right solution for your individual needs. We are happy to advise you!

Reliable Quality Control

As a leading manufacturer of ventilation systems and air conditioning fans in China, all Langdi products meet the highest quality standards.

Based on advanced management concepts and perfect quality assurance system, the company continuously absorbs and develops advanced high-tech, and actively promotes continuous product improvement and technological innovation.

Langdi attaches great importance to quality management and is the first in the industry to pass the ISO9000 international quality system certification, and 100% meet the EU RoHS directive standards according to customer requirements. PFMEA failure management system.

Fans, motors and control technology are manufactured in our own production facilities, subjected to high-quality testing using state-of-the-art measurement and testing methods, and evaluated and certified by independent testing agencies.

We ensure that our customers always receive the best quality products.

Rich Business Experience

Over 30 Years of Fan Manufacturing Experience

With over 30 years of fan manufacturing experience, around 1700 employees and the broadest product line on the market, we are one of the foremost fan system manufacturers.

We offer fan impellers based on centrifugal fans, cross-flow fans, axial fans and FCU fans as well as plastic and metal for both series requirements and single project business. Production facilities, subsidiaries and representative offices around the world are a prerequisite for establishing close cooperation and guaranteeing closeness to customers. Our own intensive R&D organization, modern production, short response times and fast and competent service have always been important pillars of our success.

Recognition of Internationally Renowned Brands

Langdi has the right to import and export independently, and its products are taught in more than 40 countries and regions.

Many customers have a common characteristic, that is, the pursuit of perfect quality, which is the unremitting pursuit of Langdi.

The common value orientation Wet langdi and they have formed a partner of mutual benefit and common development.

The fan blade fan products produced by Langdi are the designated suppliers of major air conditioner manufacturers at home and abroad, such as Daikin, Samsung, Quarantine, Midea, Mitsubishi Electric, LG, Haier, Changhong, etc.