Top 10 Viton O-ring Manufacturers and Suppliers in China(2024)

Are you in search of a reliable and professional manufacturer of Viton O-rings? Your search ends here. We did all the background research and shortlisted the top 10 manufacturers that can help you with your needs. All the companies have excellent capabilities and can fulfill your requirements with absolute perfection.

Table of Contents

What is a Viton O-Ring?

Viton is a synthetic rubber brand of DuPont widely used in O-rings and molded or extruded products. Viton O-rings are highly durable and designed to withstand extreme environments. They are tolerant to high pressure and temperatures and resistant to flame, chemicals, oils, and fluids.

viton o rings

Overview of Viton O-Ring Manufacturers and Suppliers in China

Company Summaries

The summaries below will give a useful insight into the capabilities of each company.

PositionCompany NameYear EstablishedLocation (City)Employ size
1Hongju Silicone1999Dongguan50-100
2Seal Smart2005Shanghai10-50
6Tisun Seals2003Ningbo51-100
7XST Seals2015Xiamen20-80
8Ruichen Sealing2006Dongguan200
9Skon Seals1990Yuyao50-100
10SWKS Rubber Seal2010Tianjin100-120

1. Dongguan Hongju Silicone Rubber Products Co., Ltd.

Dongguan Hongju Silicone Rubber Products Co., Ltd.

Hongju Silicone has over twenty years of experience designing and producing O-rings. The company provides various O-ring products for dynamic and static applications.

The company uses only certified, premium-quality O-ring material that offers excellent resistance against high pressure and temperature ranges. From standard size o rings to custom o rings, Hongju Silicone’s customization capabilities are second to none.

The company also provides its potential customers with free samples for testing. Contact the company with your requirements; they will manufacture the o rings with the exact specifications.

Products and Services


  • Low MOQ
  • Customization Capabilities
  • Free Sample
  • Quick Delivery
  • Affordable Price

Inquire Now for Fast Quotations!

Get in touch with Hongju for a quote that meets your needs. We provide quick, detailed pricing information.
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2. Sealsmart Seal Co., Ltd.

Sealsmart Seal Co.,Ltd.

Sealsmart is the leading manufacturer of rubber products in China. They have 15 years of experience in the industry and have established a credible market for their products. The company has all the advanced production and testing equipment to provide high-standard products to its customers.

Over the years, the company has developed a diverse product catalog for various industries. The O-rings and rubber seals produced by Sealssmart are water and wear-resistant and can also withstand harsh environments.

The company can produce both standard and custom-size O-rings. They suit mechanical, automotive, electrical, pharmaceutical, medical, and aerospace applications.

Products and Services

  • Silicone Rubber O-Rings
  • Buna-N-O-Rings
  • NBR O-Rings
  • FKM O-Rings
  • EPDM O-Rings
  • X Rings


  • Variety of Materials
  • Latest Technology
  • Excellent Product Catalog

3. Sichuan Fudi New Energy Co., Ltd.

Sichuan Fudi New Energy Co., Ltd

Founded in 2001, Sichuan Fudi New Energy is a large-scale manufacturer of rubber products suitable for various applications. The company has a full line of O-rings in a wide selection of materials to cater to customers’ specific requirements.

Their operations are based on a 30,000 sq. meters factory equipped with the latest equipment and highly skilled workers. The company is focused on producing high-performance products that can withstand extreme conditions.

All the products meet RoHS and GSG standards which endorse their quality. You can use the O-rings for chemical processing, automotive, aerospace, petroleum, and other industries.

Products and Services

  • Viton O Rings
  • HNBR O Rings
  • FVMQ O Ring
  • O Ring Cord
  • Other Products


  • RoHS & SGS Certified
  • Huge Production Capacity
  • Skilled Workers

4. Shanghai Trisun Parts Manufacture Co., Ltd.

Shanghai Trisun Parts Manufacture Co., Ltd

Trisun is an advanced seal designer and manufacturer with a strong R&D team. The company has acquired API certification for its factory and has two production lines with the latest equipment.

Trisun has professional Ph.D. engineers to offer clients optimal engineering support for fluid seal design. The company’s enormous production capacity can easily produce around 10 million sets of mechanical and 20,000 sets of other seals.

The company has a large inventory available for O-rings and other sealing products. And with quality inspection, you can rest assured that you will receive only high-quality products.

Products and Services

  • Dupont-Kalrez O-Rings
  • Viton O-Rings
  • PTFE O-Rings
  • Bonded Seals
  • Dry Gas Seal
  • Control & Check Valves Seal
  • O-Ring Kits
  • Other O-Rings and Seals


  • NSF, CIT & RoHS Certified
  • Skilled Workforce
  • Modern Factory

5. Yiwu Woma Rubber Products Co., Ltd.

Yiwu Woma Rubber Products Co., Ltd.

Woma is another high-tech enterprise that produces all types of O-rings, seals, and natural rubber products. The company is committed to helping its customers with all their requirements. Woma offers optimum assistance in all stages, from sample processing and designing to customization.

They have acquired ISO 9001 international quality management system certification, which suggests all their products are highly valued. Besides, the products are available in various shapes, sizes, and styles.

Woma prioritizes its clients and ensures sincere cooperation with them for long-term relationships. You won’t be disappointed.

Products and Services

  • FPM O-Rings
  • Caterpillar O-Rings
  • Metric O Rings
  • Quad Rings
  • O-Ring Kits
  • Gasket Kit
  • Valve Cover Gasket
  • Brake Diaphragm
  • Other Products
  • Hydraulic Seals


  • Production Equipment
  • Customization Capabilities
  • Experienced

6. Ningbo Tisun Seals Industries Co., Ltd.

Ningbo Tisun Seals Industries Co., Ltd.

Tisun is a reputable designer and manufacturer of advanced fluid seals in China. The company manufactures a wide range of seals for various industries. They have acquired multiple ISO certifications, suggesting the products meet international standards.

Tisun offers a same-day shipping facility for all stock items. They also offer various payment methods to provide maximum convenience to their clients. The company has a low MOQ, so if you don’t want to order in bulk, Tinsun is the perfect manufacturer.

Products and Services

  • Stainless Steel Seals
  • Seal Packing & Gaskets
  • O-Rings
  • Mechanical Seals
  • Carbon Rings
  • Ceramic Rings


  • Low MOQ
  • High-Quality Products
  • Same Day Shipping

7. Xiamen Seals Technology Co., Ltd.

Xiamen Seals Technology Co., Ltd

Xiamen Seal Technology is a well-known manufacturer of rubber components in China. The products are designed for various industries, including medical, automotive, semi-conduction, food and drug equipment, sanitary, general industry, etc.

The factory is well-equipped with modern technology and advanced equipment. The workers are also highly-skilled and experienced, ensuring the product meets customers’ requirements. All the products qualify for ISO 3601, C1976, JIS,2401, etc. They are durable and resistant to chemicals, flame, steam, mineral oil, high-pressure, acids, etc.

The company has a great variety available when it comes to O-ring material. They also offer you options for O-ring sizes to fit your needs.

Products and Services

  • EPDM O-Rings
  • Viton O-Rings
  • Buna-N-O-Rings
  • Spliced O-Rings
  • Silicone Static O-Rings
  • Back-Up Rings
  • O-Ring Kits
  • Oil Seal


  • Extensive Product Categories
  • Durable Products
  • Competitive Price

8. Dongguan Ruichen Sealing Co., Ltd.

Dongguan Ruichen Sealing Co., Ltd.

Founded in 2006, Ruichen Sealing is focused on producing quality rubber O-rings. The company is committed to assisting its clients with product design, developing new products, and providing high-value products.

With a modern workshop and skilled workforce, the company has shortened the development cycle and reduced potential failures. Ruichen Sealing has a wide range of products to offer you. And since it is an ECER-verified supplier, you can trust the company with closed eyes.

Products and Services

  • Viton O-Rings
  • Silicone O-Rings
  • EPDM O-Rings
  • Rubber Molded Parts
  • O-Ring Seals


  • Experienced
  • Latest Equipment
  • High-Quality Products

9. Skon Seals

Skon Seals

Founded in 1990, it would not be wrong to call Skon Seals the pioneer manufacturer of O-rings, rubber parts, and rubber gaskets in China. It offers a wide selection of materials, including silicone, ethylene propylene (EPDM), FKM, ACM, etc.

The factory covers an area of 5,600 sq. meters integrating modern workshops, a test laboratory, tool making area, and more. Skon Seals uses various production methods with a state-of-the-art factory, including die cutting, transfer molding, injection molding, etc.

They are a one-stop solution to all your needs. You can get supreme quality products at an excellent value.

Products and Services

  • Square Rings
  • O-Ring Kits
  • Oil Seals
  • PTFE Gasket
  • PTFE O Ring
  • Other Products


  • Material Selection
  • Diverse Product Portfolio
  • Competitive Price

10. Tianjin Swks Technology & Development Co., Ltd

Tianjin Swks Technology & Development Co., Ltd

SWKS Rubber Seal has over a decade of experience in the manufacturing of rubber products. The company is also involved in the design and development of rubber components.

SWKS has modern facilities and produces a wide range of products that meet international standards. The company conducts various quality assurance tests to ensure the products meet customers’ requirements.

The service team is highly responsive and always available to assist you with your queries. For years, the company has consistently delivered the highest product standard. Hence, you can rest assured that your investment will have the utmost value.

Products and Services

  • Viton O-rings
  • Fluorosilicone O-Rings
  • Hydraulic Seal
  • Shock Absorber


  • Highly Responsive
  • SGS & RoHS Certified

3 Benefits of Importing Viton O-Rings from China

Not just Viton O-rings, importing any product from China has significant advantages for your business. Want to know what they are? Keep on reading, then.

Reduced Expenditures

Though not the only one, the major reason you should import Viton O-rings from China is it costs much less than doing so from any other country. In addition to transport costs, manufacturing costs are much lower than in any European country. With lower costs, you can be more competitive and earn greater profits which are good for your company.

High-Quality Products

It’s a myth that Chinese products are of poor quality. The truth is that Chinese manufacturers produce products for all kinds of classes. If you are investing a good amount, there is no chance that you will get poor-quality products. Our list’s Chinese manufacturers have state-of-the-art factories and a skilled workforce. Hence, you can rest assured that whatever type of O-rings you import from China will have the highest standards and quality.

Customization Capabilities

Another good reason you should import from China is to get custom O rings. Whether you need O-rings in military specifications or a specific shape, size, and style, Chinese manufacturers will help you out.


A reliable manufacturer will have a proven track record of delivering high-quality products, offer a selection of sizes and materials to meet your specific needs, and have a strict quality control process in place to ensure each o-ring meets or exceeds industry standards. Choosing the right Viton o-ring manufacturer can result in improved performance, longer-lasting products, and ultimately cost savings in the long run.

Looking for Viton O-Ring? Hongju Silicone Can Help You

If you need O-rings for various industries, then we are the company that can offer you optimal assistance. Hongju Silicone has excellent customization capabilities and can produce custom O-rings per your requirements. We offer you high-quality and durable products at a reasonable price.

Inquire Now for Fast Quotations!

Get in touch with Hongju for a quote that meets your needs. We provide quick, detailed pricing information.
untitled design 2023 10 11t103044.868

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Hey there, I’m David!

I’m the founder of Hongju Silicone. I have been in this field for more than two decades. If you are looking for custom-made silicone rubber products, feel free to ask me any questions.

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