Deshengxin (DSX) Purification:100% Vertically Integrated Cleanroom Solutions.
DSX is a premier manufacturer of cleanroom technology. Backed by a 30,000 sqm facility, we maintain complete quality control with 100% in-house production of core  motors, HEPA filters, and smart controllers.

Aerial view of factory

ABOUT US
WuJiang Deshengxin Purification Equipment Co.,Ltd is established in 2005 and located in Suzhou,Jiangsu,China. We are specialized in research,development,design,manufacturing and sales of clean room equipment,air purifier and centrifugal fan,etc.
The clean room equipment mainly include HEPA filter,FFU,airshower,pass box,clean bench,clean booth,weighing booth.biosafety cabinet,etc.Our products are widely used in pharmaceuticals,hospital,electronics industry,food industry,etc.
We are also engaged in clean room project including design,production,delivery,installation, commissioning,etc.
We have plenty of authorized certificates such as ISO 9001,CE,CQC,etc.
We have research and development department and advanced production and testing equipment to ensure the leading manufacturing technology and product with excellent performance.
We have obtained good relationship and cooperation with our clients around the world. Welcome to visit our factory!
 
HONOR CERTIFICATE
The company has passed ISO9001 quality system certification, and its products have obtained CQC and EU CE certification. 
 
The company attaches great importance to intellectual property rights and has applied for and passed multiple appearance and utility model majors. Additionally, two invention patents are under examination.
sgs CE(18489-18490)0P190618 SGS patent19 ISO-NEW2021-EN High-tech-enterprise-certification CQC FFU-TEST CE-Centrifugal Fan Air-fliter Air-fliter-CE-patent CQC5-001 patent10
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PRODUCT CATEGORY
We provide a diverse product portfolio and excellent services
HOT PRODUCTS
Focusing on the manufacturing of purification equipment Providing a comprehensive solution for clean rooms
Hepa Filters
Room-Side Replaceable FFU (Fan Filter Unit)
Air Shower for Clean Rooms
Hepa Filters
Room-Side Replaceable FFU (Fan Filter Unit)
Air Shower for Clean Rooms
INDUSTRY APPLICATIONS
We provide comprehensive cleanroom purification services and are committed to offering customers a one-stop solution to meet all their air purification needs.
Why Deshengxin? / Our Core Advantages​​​​​​​

LATEST  NEWS
Your facility is one of a kind. Your FFU solution should be too.-Deshengxin FFU.jpg
FFU Basic Cognition Category
The Complete Guide to Deshengxin FFU: Fan Filter Unit for Cleanroom Applications

This comprehensive guide explores everything you need to know about Deshengxin Fan Filter Units (FFUs). Starting with the basic definition and working principle, it details the 8 key advantages of Deshengxin FFU systems—including exceptional filtration efficiency (up to 99.9995%), 30-50% energy savings with EC motor technology, low noise operation below 58 dB, and anti-static capabilities. The guide provides a full breakdown of FFU classifications by size, material, motor type, control method, static pressure, and filter class. It also covers 7 major application areas (semiconductor, pharmaceutical, healthcare, aerospace, food, clean booths, and data centres), offers an 8-step selection framework, and includes installation best practices and maintenance guidelines. This is the definitive resource for engineers, facility managers, and procurement professionals seeking reliable, cost-effective FFU solutions for critical cleanroom environments.

FFU Basic Cognition Category
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Semiconductor EFU FAQs
70mm Ultra-Thin EFU: The Space-Saving Solution for Third-Generation Semiconductor Cleaning Equipment

Third-generation semiconductor cleaning equipment (SiC, GaN) faces severe space constraints. Standard FFUs at 250–350mm simply cannot fit into the limited vertical clearance of these advanced tools. This article introduces DSX's 70mm Ultra-Thin EFU—engineered specifically for space-constrained equipment integration. With a total operational thickness of ~100mm, ULPA filtration efficiency up to 99.9995% (@0.12μm), and full-supply-chain manufacturing, this solution enables cleaning equipment manufacturers to maximize internal space without compromising cleanroom performance.
 

Semiconductor EFU FAQs
Complete mastery over quality, from origin to outcome. Deshengxin FFU..jpg
Pharmaceutical & Medical FFU FAQs
How FFUs Support cGMP Compliance in Pharma Cleanrooms | DSX

In pharmaceutical manufacturing, achieving cGMP (Current Good Manufacturing Practice) compliance is non-negotiable. For aseptic processing and cleanrooms, the Fan Filter Unit (FFU) is the frontline defense against microbial contamination. In this FAQ, DSX Purification explains how our medical-grade FFUs specifically support cGMP standards. We detail the importance of unidirectional airflow (Grade A zones), the necessity of built-in PAO integrity testing ports (RSR design), and how our smart EC motor control systems provide the continuous data logging required for strict FDA and EMA regulatory audits.

Pharmaceutical & Medical FFU FAQs
Regardless of the challenge, we deliver your tailored FFU solution.-Deshengxin FFU.jpg
Food & Beverage FFU FAQs
What Makes an FFU "Food-Grade" or "Hygienic Design"? | DSX

In the food and beverage industry, standard cleanroom equipment can become a deadly source of contamination. A Fan Filter Unit (FFU) with exposed screws, sharp corners, and poorly sealed joints provides the perfect breeding ground for mold and bacteria (like Listeria or Salmonella). In this FAQ, DSX Purification defines the strict engineering criteria of a "Hygienic Design" or "Food-Grade" FFU. Discover how our fully-welded SS304/SS316L housings, crevice-free designs, and wash-down-ready motors ensure absolute compliance with HACCP and Food GMP standards.

Food & Beverage FFU FAQs
DSX Ultra-Thin EFU FFU (Equipment Fan Filter Unit for Semiconductor Tools).jpg
EFU(Equipment Fan Filter Unit) Knowledge
Ultra-Thin EFU: Solving the Space Crunch in Semiconductor Manufacturing Equipment

This article provides a comprehensive overview of ultra-thin EFU (Equipment Fan Filter Unit) technology for semiconductor manufacturing equipment. It addresses the critical challenge of limited internal space in advanced semiconductor tools, where standard FFUs cannot fit. The solution – a 70mm ultra-thin EFU – is introduced, with detailed explanations of how full-supply-chain manufacturing enables this breakthrough through custom-engineered EC brushless micro-fans, self-manufactured mini-pleat HEPA/ULPA filters, and optimized internal geometry. Key technical specifications, AMC contamination control, smart control capabilities, and application scenarios across front-end and back-end equipment are covered.

EFU(Equipment Fan Filter Unit) Knowledge
No matter how complex your conditions, Deshengxin engineers the right equation.-Deshengxin FFU.jpg
Precision Manufacturing FFU FAQs
How ISO Class 1 FFU Filtration Impacts Precision Yield | DSX

In precision manufacturing sectors like high-end optics, MEMS (Micro-Electromechanical Systems), and aerospace components, visible dust is no longer the primary enemy. The true threat to product yield is sub-micron micro-contamination. In this FAQ, DSX Purification explores how achieving ISO Class 1 cleanliness using ultra-high-performance Fan Filter Units (FFUs) directly protects critical processes from catastrophic failures such as optical scattering, mechanical jamming, and coating defects. Learn why maintaining stable, continuous laminar airflow is the ultimate strategy for maximizing production yield.
 

Precision Manufacturing FFU FAQs
Time-tested. Condition-proof.Deshengxin FFU-Proven Quality..jpg
Automotive Electronics FFU FAQs
Why ISO Class 5 Is Critical for Automotive ECU Manufacturing | DSX

In the automotive electronics industry, a failed Electronic Control Unit (ECU) is not just a warranty issue; it is a life-threatening hazard. As vehicle architectures become more complex, achieving "Zero Defect" manufacturing requires moving beyond standard ISO 7 cleanrooms. In this FAQ, DSX Purification explains why ISO Class 5 (Class 100) micro-environments are absolutely critical during ECU Surface Mount Technology (SMT) assembly. Learn how micro-particles cause catastrophic cold solder joints and bridging, and discover how DSX localized Ultra-Thin EFUs and ESD-safe filtration systems protect your automotive PCB assemblies to meet stringent IPC and AEC-Q100 standards.
 

Automotive Electronics FFU FAQs
DSX FFU Fan Filter Unit.jpg
Top 5 FFU Manufacturers in the World 2026 – Industry Leaders Compared

Top 5 FFU Manufacturers in the World 2026 – Industry Leaders ComparedIntroduction to FFU Clean RoomsA Fan Filter Unit (FFU) is a motorised air filtration device that supplies purified air to cleanrooms, laboratories, medical facilities, and microenvironments by removing harmful airborne particles.

Welcome to Contact Us
If you have any needs or questions, we sincerely welcome you to keep in touch with us. Our sales team will wholeheartedly provide you with comprehensive support and provide you with satisfactory solutions. Look forward to working with you!
We look forward to hearing from you.
As a leading provider of Cleanroom equipment in China, we have a professional sales team, extensive suppliers, a deep market presence, and excellent one-stop services.

CONTACT US

Phone:+86-0512-63212787-808
Email: nancy@shdsx.com
WhatsApp:+86-13646258112
Add:No.18 of East Tongxin Road, TaihuNew Town, Wujiang District, Suzhou City.Jiangsu Province, China

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