Are you in the market for high-quality O-rings but feeling overwhelmed by the options? Choosing the right supplier can make all the difference in your project’s success. With countless factories in China, comparing the top O-ring suppliers is essential to ensure you get the best quality and value. Imagine having access to reliable suppliers that meet your specific needs, saving you time and money. Ready to discover the leading O-ring manufacturers that can elevate your business? Keep reading to find out which factories stand out from the rest!

O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy

Product Details: High-Quality Rubber O-Rings manufactured by Savvy, available in various materials including NBR, FKM, and Silicone.

Technical Parameters:
– Temperature Range: -70°C to 220°C
– Standard Hardness: Shore A 60 to 90

Application Scenarios:
– Used in hydraulic and pneumatic transmission systems
– Sealing applications for various fluids such as air, water, and oil

Pros:
– Low manufacturing cost and convenient use
– Self-sealing effect with no need for periodic adjustment

Cons:
– Difficult to achieve zero leakage in dynamic seals
– Can be prone to cutting, twisting, and breaking if used improperly

Top 10 O-ring Manufacturers and Suppliers in China 2023 – Hongju

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured from various materials including nitrile rubber, silicone, EPDM rubber, and Fluorocarbon (Viton).

Technical Parameters:
– Available in standard and metric sizes
– Manufactured using techniques like injection molding, extrusion, and compression…

Application Scenarios:
– Used in automotive, aerospace, and industrial applications
– Suitable for both static and dynamic applications

Pros:
– Wide range of materials and customization options
– Good customer service and fast delivery

Cons:
– Minimum order quantities may apply for some manufacturers
– Quality may vary between different manufacturers

Top 10 Viton O-ring Manufacturers and Suppliers in China(2025)

Product Details: Viton O-Rings are synthetic rubber products known for their durability and resistance to extreme environments, including high pressure, temperatures, flames, chemicals, oils, and fluids.

Technical Parameters:
– High pressure tolerance
– Temperature resistance

Application Scenarios:
– Automotive industry
– Aerospace applications

Pros:
– Excellent resistance to chemicals and high temperatures
– Customization capabilities available

Cons:
– Higher cost compared to some other materials
– Limited availability in some regions

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

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids or gases in various applications.

Technical Parameters:
– Common materials include NBR, FKM, Silicone, EPDM, and HNBR.
– Temperature range typically from -60°C to +260°C.

Application Scenarios:
– Used in automotive and aerospace industries.
– Applicable for both static and dynamic sealing applications.

Pros:
– Versatile and effective for various sealing needs.
– Custom sizes and shapes available from many manufacturers.

Cons:
– Minimum order quantities can vary significantly.
– Quality may depend on the manufacturer and material used.

China O Ring Manufacturers, Suppliers, Factory – Custom O Ring …

Product Details: O-rings are circular mechanical gaskets used to create leak-free seals between components. They are made from various materials including rubber, silicone, and polymers, and are designed for a wide range of applications.

Technical Parameters:
– Temperature resistance: -200°C to 250°C
– Material types: Nitrile, Silicone, Viton, PTFE, Neoprene, etc.

Application Scenarios:
– Automotive industry for sealing fluids
– Aerospace for protecting jet engines

Pros:
– Versatile and cost-effective sealing solutions
– Wide range of materials for different applications

Cons:
– Can degrade under extreme conditions
– May require regular maintenance and replacement

China O Rings Suppliers, Manufacturers, Factory – Customized O Rings …

Product Details: Heavy Duty Static Seal JB-17 is a high efficiency static seal, usually used as an alternative to the o-ring and anti-extrusion ring for high pressure applications.

Technical Parameters:
– High efficiency
– Suitable for high pressure applications

Application Scenarios:
– Used in hydraulic systems
– Applicable in high-pressure environments

Pros:
– High efficiency
– Durable under high pressure

Cons:
– Limited to specific applications
– May require specific installation techniques

China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …

Product Details: O-rings, X-rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, Custom Rubber Parts, O Ring Kits

Technical Parameters:
– Material: NBR, EPDM, FKM
– Sizes: Standard and Metric

Application Scenarios:
– Automotive industry
– Medical equipment

Pros:
– High-quality molded rubber products
– Wide range of applications

Cons:
– Limited information on specific product performance
– Potential variations in material quality

Custom Rubber Seals & O-rings Manufacturer | Haisun Rubber

Product Details: HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR, and supplies standard O-ring parts and O-ring kits.

Technical Parameters:
– O-ring dimension accuracy tolerance up to 0.01mm
– Rubber seals accurate tolerance up to 0.02mm

Application Scenarios:
– Used in smartphones, watches, automotive parts, medical devices, food machinery,…
– Suitable for applications requiring dust and water resistance.

Pros:
– High precision and quality control in manufacturing.
– Wide range of materials and custom solutions available.

Cons:
– Limited information on specific performance characteristics of each material.
– Potentially higher costs for custom solutions.

O Ring China, O-Ring Supplier in China, Custom O-Ring Solutions

Product Details: O-Rings manufactured by Suzhou Baoshida Rubber, a leading supplier in China, offering custom solutions for various industries.

Technical Parameters:
– Adherence to ISO 3601 standards
– Customization options available

Application Scenarios:
– Automotive sealing solutions
– Aerospace components

Pros:
– High-quality manufacturing processes
– Competitive pricing and customization capabilities

Cons:
– Potential communication barriers with international buyers
– Lead times may vary based on customization

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom silicone rubber O-rings and high-temperature O-ring seals for engines, pumps, cylinders, connectors, valves, etc.

Technical Parameters:
– Hardness tolerance: plus or minus 3-5A
– Dimensions and tolerances follow ISO3601 standards

Application Scenarios:
– Sealing various products and parts requiring resistance to water, oil, and high…
– Static and dynamic applications in machinery

Pros:
– Inexpensive and effective sealing solution
– Wide selection of stock items and customization capabilities

Cons:
– Limited information on specific material properties
– Potential variability in manufacturing time based on quantity

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy	High-Quality Rubber O-Rings manufactured by Savvy, available in various materials including NBR, FKM, and Silicone.	– Low manufacturing cost and convenient use – Self-sealing effect with no need for periodic adjustment	– Difficult to achieve zero leakage in dynamic seals – Can be prone to cutting, twisting, and breaking if used improperly	savvyrubber.com
Top 10 O-ring Manufacturers and Suppliers in China 2023 – Hongju	O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured from various materials including nitri…	– Wide range of materials and customization options – Good customer service and fast delivery	– Minimum order quantities may apply for some manufacturers – Quality may vary between different manufacturers	hongjusilicone.com
Top 10 Viton O-ring Manufacturers and Suppliers in China(2025)	Viton O-Rings are synthetic rubber products known for their durability and resistance to extreme environments, including high pressure, temperatures,…	– Excellent resistance to chemicals and high temperatures – Customization capabilities available	– Higher cost compared to some other materials – Limited availability in some regions	hongjusilicone.com
Top 10 O-Ring Manufacturers and Suppliers in China (2024)	O-rings are circular cross-section sealants used to prevent leakage of liquids or gases in various applications.	– Versatile and effective for various sealing needs. – Custom sizes and shapes available from many manufacturers.	– Minimum order quantities can vary significantly. – Quality may depend on the manufacturer and material used.	www.rubber-tools.com
China O Ring Manufacturers, Suppliers, Factory – Custom O Ring …	O-rings are circular mechanical gaskets used to create leak-free seals between components. They are made from various materials including rubber, sili…	– Versatile and cost-effective sealing solutions – Wide range of materials for different applications	– Can degrade under extreme conditions – May require regular maintenance and replacement	www.chaoyuerubber.com
China O Rings Suppliers, Manufacturers, Factory – Customized O Rings …	Heavy Duty Static Seal JB-17 is a high efficiency static seal, usually used as an alternative to the o-ring and anti-extrusion ring for high pressure…	– High efficiency – Durable under high pressure	– Limited to specific applications – May require specific installation techniques	www.jinbondseal.com
China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …	O-rings, X-rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, Custom Rubber Parts, O Ring Kits	– High-quality molded rubber products – Wide range of applications	– Limited information on specific product performance – Potential variations in material quality	www.sealsmanufacturer.com
Custom Rubber Seals & O-rings Manufacturer	Haisun Rubber	HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR, and supplies standard O-ring parts and O-ring kits.	– High precision and quality control in manufacturing. – Wide range of materials and custom solutions available.	– Limited information on specific performance characteristics of each material. – Potentially higher costs for custom solutions.
O Ring China, O-Ring Supplier in China, Custom O-Ring Solutions	O-Rings manufactured by Suzhou Baoshida Rubber, a leading supplier in China, offering custom solutions for various industries.	– High-quality manufacturing processes – Competitive pricing and customization capabilities	– Potential communication barriers with international buyers – Lead times may vary based on customization	www.rubber-tools.com
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom silicone rubber O-rings and high-temperature O-ring seals for engines, pumps, cylinders, connectors, valves, etc.	– Inexpensive and effective sealing solution – Wide selection of stock items and customization capabilities	– Limited information on specific material properties – Potential variability in manufacturing time based on quantity	hongjusilicone.com

Frequently Asked Questions (FAQs)

What should I consider when choosing an O-ring supplier in China?

When selecting an O-ring supplier, consider their experience, product quality, certifications, and customer reviews. It’s also important to evaluate their production capacity, lead times, and communication responsiveness. A reliable supplier should be able to meet your specific requirements and provide excellent customer service.

How can I ensure the quality of O-rings from Chinese suppliers?

To ensure quality, request samples before placing a large order. Check for certifications like ISO 9001 and ask about their quality control processes. Regular communication and inspections during production can also help maintain quality standards.

What materials are commonly used for O-rings?

Common materials for O-rings include nitrile rubber (NBR), silicone, fluorocarbon (FKM), and EPDM. Each material has unique properties suited for different applications, such as temperature resistance, chemical compatibility, and flexibility. Discuss your specific needs with the supplier to choose the right material.

What is the typical lead time for O-ring orders from China?

Lead times can vary based on the supplier and order size, but typically range from 2 to 6 weeks. Custom orders may take longer, so it’s best to discuss timelines upfront. Planning ahead and placing orders early can help avoid delays.

Can I customize O-rings for my specific application?

Yes, many suppliers in China offer customization options for O-rings, including size, material, and color. Provide your specifications and requirements to the supplier, and they can help create O-rings tailored to your application.