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
Display Panel Manufacturing Cleanroom—— Standards FFU Solutions Yield Optimization.jpeg
Flat Panel Display (FPD) FFU FAQs
Display Panel Manufacturing Cleanroom: Standards, FFU Solutions & Yield Optimization

Display panel manufacturing — LCD, OLED, and MicroLED — demands some of the strictest cleanroom environments in any industry. A single micron-sized particle can create visible pixel defects, making contamination control directly tied to production yield. This article examines the cleanroom standards required for different display technologies, the role of FFUs in maintaining ISO Class 3–5 environments, filtration strategies using H14 HEPA and U15+ ULPA filters, chemical filtration for AMC control, and energy optimization through EC motor technology. It also covers how FFU configurations vary across array, cell, and module processes. Wujiang Deshengxin Purification Equipment Co., Ltd. (DSX) manufactures FFU, EFU, HEPA filters, ULPA filters, chemical filters, and other clean air solutions with in-house production of fans, motors, control systems, and filter media — enabling integrated solutions for display manufacturing cleanrooms.

Flat Panel Display (FPD) FFU FAQs
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FFU Basic Cognition Category
Energy-Efficient FFU Technology: EC Motors, Smart Control & Vertical Integration

Energy consumption is the largest operating cost in cleanroom facilities, with fans accounting for 60–80% of total energy costs. This article explores the key technologies driving energy-efficient FFU design — EC motors that achieve up to 50% energy savings compared to AC alternatives, variable speed controls for demand-based airflow adjustment, and smart monitoring systems for real-time optimization. It also examines ISO 14644-16, the energy efficiency standard for cleanrooms, and real-world results such as TSMC's 60% fan efficiency gain saving 156万 kWh per fab annually. Wujiang Deshengxin Purification Equipment Co., Ltd. (DSX) manufactures FFU, EFU, HEPA filters, ULPA filters, chemical filters, and other clean air solutions with in-house production of fans, motors, control systems, and filter media — enabling integrated energy-optimized designs.

FFU Basic Cognition Category
ISO 14644 vs GMP Cleanroom Standards—— Key Differences Explained ——DSX.jpeg
Clean room Technical specifications
ISO 14644 vs GMP Cleanroom Standards: Key Differences Explained

ISO 14644 vs GMP Cleanroom Standards: Key Differences ExplainedCleanrooms are classified to ensure the air quality meets the requirements of the processes conducted within them. Two major classification systems dominate the industry: ISO 14644-1:2015 — the international standard for cleanrooms and a

Clean room Technical specifications
Uneven Airflow in Cleanroom Ceilings — Causes, Consequences & How to Fix It——DSX.jpeg
Industry Knowledge
Uneven Airflow in Cleanroom Ceilings — Causes, Consequences & How to Fix It

Uneven airflow is one of the most common yet overlooked problems in cleanroom ceiling FFU systems — and it can compromise product quality, regulatory compliance, and operational efficiency. This article examines the root causes of airflow non-uniformity: poor FFU layout, inconsistent fan performance, ceiling grid and installation issues, external airflow disturbances, and lack of system-level balancing. It explains how to diagnose airflow problems through velocity measurements, smoke visualization, particle counting, and pressure mapping — and provides practical solutions for achieving consistent, uniform airflow. The article also discusses why vertically integrated manufacturing matters for airflow uniformity and how DSX's in-house production of fans, motors, control systems, and filters enables faster customization, consistent quality, and single-point accountability.

Industry Knowledge
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
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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