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Who We Are
DYY is a professional manufacturer specializing in industrial heat exchangers, centrifugal fans, axial flow fans, duct fans, and a wide range of ventilation equipment for commercial and industrial applications.As a leading industrial fan and heat exchanger manufacturer in China, DYY supplies high-performance ventilation solutions to global markets.
Founded in 1996 and headquartered in Nanhai District for more than 20 years, we integrate R&D, production, sales, and technical service into one modern high-tech enterprise.
With a strong focus on environmental protection, ventilation engineering, and industrial air solutions, DYY continues to deliver reliable products trusted by customers in more than 70 countries and regions worldwide.
Manufacturing Strength & Production Capacity
DYY operates a large-scale manufacturing base covering 115,000 m², including 100,000 m² of standardized workshops and more than 1,000 skilled employees.
DYY has also obtained more than 10 invention and utility model patents, reflecting our strength in technological innovation.
Our factory is equipped with advanced production and testing facilities, including:
Laser cutting machines
CNC machining systems
Dynamic balancing machines
Dedicated fan performance testing center
Heat exchanger inspection and pressure testing equipment
With a full internal production chain and strong engineering capabilities, we support both standard production and non-standard customization, ensuring stable supply and consistent product quality.
Our Main Product Lines
Industrial Heat Exchangers
We provide a wide series of industrial heat exchangers for boilers, HVAC systems, drying lines, air heating, and energy-saving applications. Our products ensure efficient heat transfer, long service life, and stable performance in harsh industrial environments.
Centrifugal Fans
Including forward-curved, backward-curved, and high-pressure centrifugal fan models, suitable for workshop ventilation, dust removal systems, and industrial air handling projects.
Axial Flow Fans
Designed for large airflow and low-noise operation, ideal for factories, warehouses, commercial buildings, and tunnel ventilation.
Duct Fans & Booster Fans
Compact, efficient, and widely used for HVAC ducts, fresh-air systems, exhaust ventilation, and air-circulation projects.
Misting Fans & Fresh Air Systems
Energy-saving cooling and humidification products widely used in outdoor cooling, agriculture, workshops, and public areas.
Fan Accessories
Forward impellers, backward impellers, axial impellers, atomizers, and other key components for maintenance and OEM supply.
Quality Control
We operate under a strict quality management system and have passed multiple international certifications, including:
ISO9001:2008
CCC
CE
SASO
Fire safety certifications
Every product goes through a complete inspection process—from raw material selection to final performance testing—to ensure reliability, safety, and compliance with global standards.
Why Customers Choose Us
Over 28 years of manufacturing experience
Complete product range for heat exchange and industrial ventilation
Strong R&D team and advanced production equipment
Fast delivery with stable supply capability
Support for OEM/ODM and non-standard customization
Exporting to 70+ countries with proven market reputation
3-year warranty for all products
Professional customer service with fast response
Contact Us
For industrial ventilation and heat exchanger solutions, feel free to contact our team.
We are committed to providing professional support and reliable products for your project needs.
