WELCOME TO FBU

THE PIONEERING SPECIALIST IN CARTRIDGE MECHANICAL SEALS FROM CHINA

FBUSEAL (FBU Sealing Technology (Suzhou) Co., Ltd.), established in 2007, has evolved from a specialized manufacturer into a trusted mechanical seal technology partner for global industrial customers. For over 18 years, our focus has remained consistent: delivering reliable, customized cartridge mechanical seal solutions.

We combine extensive experience, deep application expertise, and adherence to international standards with advanced digital management systems. Our mission is to work alongside customers to optimize equipment performance, facilitate upgrades and retrofits, and help build sustainable competitive advantages through advanced sealing technology.

To date, our products are serving markets in more than 50 countries and regions worldwide. Our export business represents 65% of our total operations, a direct testament to our profound understanding of international customer requirements.

CUSTOMIZED SOLUTIONS

With over 18 years of focus on cartridge mechanical seals, we provide exclusive and cost-effective customized sealing solutions tailored to the unique needs of our customers.

LEARN MORE

INTERNATIONAL STANDARDS

From internationally advanced high-end equipment to standardized production processes, we have established a full-chain reliability system to ensure consistent product quality.

LEARN MORE

INDUSTRY APPLICATIONS

Leveraging extensive application experience in industries such as chemical and paper, we deliver proven sealing solutions that offer safety, compliance, and peace of mind to our clients.

LEARN MORE

COMPETITIVE ADVANTAGE

Built on a foundation of confidentiality and integrity, we strive to become the trusted mechanical sealing technology partner for our customers, helping them achieve differentiated competitive advantages.

LEARN MORE

NEW PRODUCT SPOTLIGHT

GP Seal Water Control And Monitoring System

Complete monitoring and control solution for seals and water systems

GP is designed for use in harsh operating environments where high temperature, high pressure and chemically aggressive elements are present. This makes it ideal for extreme applications found in pulp, paper and chemical industry processes, plus a wide variety of mining and general industrial uses.

LEARN MORE

STANDARD CARTRIDGE SEALS

Standard cartridge seals made for huge ranges of equipments's sealing solution, And avaiable to deliver within 7 days.

LEARN MORE

API 682 4TH EDITION SEALS

APOG series cartridge mechanical seals – tailored for the oil and gas industry – are backed by a three-year warranty.

LEARN MORE

BEARING ISOLATORS

Bearing protection can effectively extend the Mean Time Between Repairs (MTBR) of rotating equipment, including pumps, motors, gearboxes, and so on.

LEARN MORE

SEAL SUPPORT SYSTEM

To make sure our seals work in a good evironment and longer lifetime and keep the equipment running more safely.

LEARN MORE

SUCCESSFUL CASES

FBUSEAL’s value is rooted in a deep understanding of real industrial operating conditions. Across industries such as oil & gas, petrochemical, pulp & paper, pharmaceutical, metallurgy, marine, and food & beverage, we have accumulated an extensive database of sealing failures, root-cause analyses, and successful field applications.

This experience allows us to engineer cartridge mechanical seals based on actual operating challenges—including pressure variations, extreme temperatures, aggressive or corrosive media, and strict safety expectations. Our cartridge mechanical seal solutions are not theoretical designs; they are proven through long-term industrial operation.

Seal for FLOWSERVE® BB2 pump

FBU Successfully Ensures Long-Term Operation of Key Pump Units in PTA Plant

Seal for Sulzer® BB2 Pumps

FBU Mechanical Seals Earn Cabot® Endorsement – Superior Performance Wins Trust of Global Industry Leader

Seal for Goulds® 3196 Pump

FBU Successfully Delivers Type GDMA Seal for Goulds® pump

Seal for WARMAN®-brand Slurry Pumps

FBU Successfully Delivers Type APOG-FB Seal and THS seal support system

More news

OUR CLIENTS

We deliver mechanical seal solutions and maintenance services to world-renowned companies from our base in China.

OUR CERTIFICATION

3-Year Extended Warranty | Guaranteed 7-Day Shipping

Customizable

3-Year Warranty

7-Day Shipping

Thank you for your long-standing trust and support in FBU. To further strengthen your brand and market position, we have comprehensively upgraded our service policy and are now officially launching the "Quality & Speed Service (QSS)" plan, offering a 3-year warranty and 7-day shipping. This initiative is designed to provide you with more reliable

product assurance and a more efficient service experience.

LEARN MORE

Pre-sales Support

Provide professional technical guidance and technical support.

Order Execution

Utilize SAP systems to ensure consistent production processes and on-time delivery.

Aftermarket Services

3-Year Warranty, committed to being your mechanical sealing technology partner and maximizing your value.

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

OUR LOCATION

Our factory is conveniently located just 120 km from Shanghai Pudong International Airport and 80 km from Shanghai Hongqiao International Airport. If you take the high-speed train from Shanghai, the journey to our facility takes only 25 minutes-allowing you to reach a professional mechanical seal factory swiftly upon your arrival in China.

QUICK LINKS

PRODUCTS SERIES

Flowmeter

labyrinth

CONTACT US

sale@fbuseals.com

+86-512-57011188

No.183 , Yinhe Road, High Tech Industrial Development Zone Changshu Suzhou, Jiangsu, China Postal Code: 215533