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
Reject one-size-fits-all. Embrace a Perfect Fit..jpg
Semiconductor Manufacturing FFU FAQs
How Semiconductor Equipment Growth Drives Cleanroom Demand | Deshengxin

As global semiconductor equipment shipments reached $36.55 billion in Q1 2026, up 14% year-on-year driven by AI-related investments, the demand for advanced cleanroom infrastructure continues to surge. Wujiang Deshengxin Purification Equipment Co., Ltd., with its full-chain production model covering FFUs, air showers, pass boxes, HEPA filters, clean benches, and modular cleanrooms, provides ISO-compliant contamination control solutions tailored for semiconductor wafer fabs, advanced packaging, and ultra-precision manufacturing lines.

 

Semiconductor Manufacturing FFU FAQs
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FFU with Chemical Filter FAQs
What is a Chemical Filter FFU? Differences from Standard FFUs | DSX

While standard FFUs excel at removing physical dust particles, advanced semiconductor manufacturing and sensitive laboratories face a microscopic, invisible threat: Airborne Molecular Contaminants (AMCs) and VOCs. In this FAQ, DSX Purification explains what a Chemical Filter FFU is, explores the fundamental differences in filter media and motor requirements compared to standard FFUs, and demonstrates how our gas-phase filtration solutions protect your critical processes from chemical corrosion and contamination.
 

FFU with Chemical Filter FAQs
Wujiang Deshengxin Purification Equipment Co., Ltd. Shines at SNEC 2026 PV Expo with Advanced Cleanroom Solutions for Solar Manufacturing(1).jpg
news
Wujiang Deshengxin at SNEC 2026 PV Expo – Cleanroom Solutions for Solar Manufacturing

From June 3 to 5, 2026, Wujiang Deshengxin Purification Equipment Co., Ltd. participated in SNEC 2026 – the world's leading photovoltaic exhibition in Shanghai. The company presented its modular cleanrooms, FFUs, air showers, and pass boxes designed specifically for high-efficiency solar cell and module production. This article reviews the exhibition highlights and how Deshengxin supports the PV industry with contamination-free environments.

 

news
You're not just buying an FFU. You're investing in a clean air solution, precision-matched to your requirements. — Deshengxin.jpg
FFU Basic Cognition Category
AC vs EC Motors for Cleanroom FFUs: Is the Energy Saving Worth the Investment?

This article compares AC and EC motor FFUs used in cleanrooms, analyzing energy efficiency, operational costs, and long-term ROI. It explains when upgrading to EC motor FFUs makes financial sense and how optimized system design can significantly reduce cleanroom energy consumption.

FFU Basic Cognition Category
Flexible Customization. Adaptable to Any Layout. - Deshengxin FFU.jpg
Custom & Special Design FFU FAQs
When Should You Consider Custom FFUs? | DSX Tailored Solutions

Standard 4x4 or 2x4 Fan Filter Units (FFUs) are sufficient for general cleanrooms, but what happens when you face extreme space constraints, highly corrosive environments, or complex equipment integration? In this FAQ, DSX Purification details the four critical scenarios where a custom or non-standard FFU is absolutely necessary. Explore how tailored dimensions, specialized materials, OEM voltages, and smart IoT integration can overcome your unique manufacturing challenges and safeguard your yield.
 

Custom & Special Design FFU FAQs
Our full industry chain is how we deliver premium quality at a competitive price.-Deshengxin FFU.jpg
FFU Material & Construction FAQs
What Materials Are Used for FFU Housings? Pros & Cons | DSX

Choosing the correct housing material for your Fan Filter Unit (FFU) is critical to the total lifecycle cost and performance of your cleanroom. Operating in high-humidity bio-labs or corrosive semiconductor environments requires specific material properties. In this FAQ, DSX Purification breaks down the pros and cons of the three most common FFU housing materials—Galvalume, Stainless Steel (SS304/SS316), and Anodized Aluminum—helping facility managers make informed decisions for long-term durability, easy cleanability, and structural integrity.
 

FFU Material & Construction FAQs
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FFU Motor & Performance FAQs
What Are the Common Types of FFU Motors? AC vs. EC Motor Characteristics

Choosing the right motor for your Fan Filter Unit (FFU) directly impacts cleanroom OPEX and airflow stability. This FAQ breaks down the two most common FFU motor types: AC (Alternating Current) and EC (Electronically Commutated) motors. We explore their distinct characteristics, energy efficiency differences, and explain why DSX’s 100% in-house manufacturing of both motors and control systems provides the ultimate advantage in cleanroom performance and cost-saving.

FFU Motor & Performance FAQs
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FFU Filter Replacement & Maintenance FAQs
How to Accurately Determine HEPA/ULPA Filter Replacement Timing? | DSX FFU Maintenance Guide

Replacing FFU HEPA filters prematurely wastes expensive maintenance budgets, while replacing them too late risks cleanroom contamination and severe yield drops. In this FAQ, the DSX Purification team debunks the myth of "fixed-time replacement schedules." We outline scientific metrics—including pressure drop doubling, airflow degradation, and integrity testing—and explain why your actual production environment (dust load, make-up air quality) is the ultimate factor determining filter lifespan, which can range anywhere from 3 months to 5 years.
 

FFU Filter Replacement & Maintenance 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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