
About Us
Who We Are
Our Story
Our Story
Rayan Air Handling Unit Co., Ltd. focuses on the R&D and manufacturing of high-quality industrial products and packaging solutions, combining advanced equipment, mature processes, and strict quality management to provide stable and reliable product support for medical, industrial, and commercial markets.
Over the years, we have continuously invested in technology upgrades and capacity expansion, responding to rapidly changing market demands with greater efficiency and more stable supply capabilities.

Direction
Vision & Mission
To become a trusted manufacturing partner in the global market through innovative processes and consistent quality.
To help clients enhance product value and market competitiveness through reliable processes, consistent quality, and continuous innovation.
Milestones
Our History
2008
Rayan Air Conditioning established.
2009
First products exported to India, launching international expansion.
2010
Achieved ISO 9001 certification; expanded to Singapore and China.
2011
Acquired industrial land; entered the Vietnam market.
2012
Established Rayan coil factory, building a vertically integrated production system.
2013
Yangmei headquarters broke ground, significantly expanding capacity.
2014
Yangmei factory commenced operations as core manufacturing base.
2015
Constructed EN1886 AHU testing laboratory.
2016
Received TAF accreditation — Taiwan's only TAF-certified AHU laboratory.
2018
Expanded product sales to Japan.
2020
UPS modular units partnered with Delta Electronics, exported to the USA.
2022
Longtan factory expansion began; launched -40°C dew point dehumidification AHU.
2024
Longtan factory completed and operational, continuing to expand capacity.
2026
Established U.S. subsidiary Ray Stars Global Inc.
Our Strengths
Why Choose Rayan?
Custom Engineering Capabilities
Based on different industry needs and project conditions, we provide customized environmental control solutions including large-scale outdoor AHUs, chemical dehumidification systems, and dry coils, fully meeting airflow, filtration, and temperature/humidity control requirements.
High-Tech Environment Expertise
Deeply rooted in high-tech industry environmental control, our services span semiconductor, optoelectronics, biotech & pharmaceuticals, healthcare facilities, research institutions, and industrial facilities across diverse application domains.
Full Life-Cycle Services
From planning and design, manufacturing and production to installation testing and after-sales maintenance, we provide complete technical support and long-term services to help clients improve system stability and operational efficiency.
Quality & Compliance Management
Implementing rigorous quality management processes and performance verification mechanisms to ensure products comply with international safety, performance, and industry standards, delivering stable and reliable system quality.

What Drives Us
Our Core Values
Quality First
From material selection to process management, we uphold high-standard quality control to ensure every product delivers stability and reliability.
Continuous Innovation
Through technology upgrades and process optimization, we continuously improve product performance and production efficiency to respond to ever-changing market demands.
Long-Term Partnership
We value every partnership, committed to becoming a trusted long-term partner through stable supply, professional service, and integrity.
Intellectual Property
Patents

Cert. No.: M522320
Universal Positive/Negative Pressure Sealless Drain (SBIR)

Cert. No.: ZL201620142983.7
Universal Positive/Negative Pressure Sealless Drain

Cert. No.: M470930
AHU Drain Trap Structure

Cert. No.: ZL201620388218.3
AHU Airtight Insulated Joint

Cert. No.: M529822
AHU Airtight Insulated Joint

Cert. No.: M665504
Window Flange Structure

Cert. No.: M527069
AHU Waterproof Light Fixture

Cert. No.: M485379
AHU Access Door Latch Structure

Cert. No.: M581674
AHU Return Air Pressure Regulation Structure

Cert. No.: M625730
AHU Condensate Collection Module

Cert. No.: M487408
Positive/Negative Pressure Plate Structure

Cert. No.: M487411
AHU Cabinet Column Composite Structure

Cert. No.: D204286
Water Baffle Curtain

Cert. No.: D238629
Terminal Box Protective Cover

