Are you looking for the best rubber O-ring manufacturers in China? Comparing top factories is crucial for ensuring quality and reliability. Discovering the right partner can save you time and money, leading to smoother operations. Dive in to find the best options for your needs and boost your business today!
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy
Product Details: Savvy is a leading manufacturer and supplier of high-quality rubber O-rings in China, offering a wide range of sizes and shapes, including standard and custom O-rings.
Technical Parameters:
– O-ring sizes include ID (inside diameter), OD (outside diameter), and CS (cross-…
– Common materials include NBR, FKM, and Silicone, with hardness typically ranging…
Application Scenarios:
– Used in hydraulic and pneumatic transmission systems to prevent leakage of liqui…
– Applicable in various industries including automotive, medical, and industrial f…
Pros:
– Cost-effective due to simple design and ease of mass production.
– Versatile and reliable, compatible with a broad range of temperatures and pressu…
Cons:
– Prolonged compression can lead to permanent deformation reducing sealing effecti…
– Improper installation can cause premature failure.
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:
– Smartphones
– Automotive parts
Pros:
– High precision manufacturing with strict quality control
– Wide range of materials and custom options available
Cons:
– Limited information on specific product limitations
– Potentially higher costs for custom orders
China Rubber O Rings, Rubber Seal Ring, Rubber Gaskets Suppliers …
Product Details: Xiamen Best Seal Imp and Exp Co., Ltd specializes in manufacturing rubber O rings, seal rings, gaskets, molded parts, hoses, bonded parts, seal kits, extrusion profiles, rubber sheets, PTFE parts, sponge rubber seals, and plastic parts.
Technical Parameters:
– ISO 9001 certified quality control
– Materials mixed as per ASTM D 2000
Application Scenarios:
– Automotive industry
– Industrial machinery
Pros:
– High-quality manufacturing standards
– Wide range of rubber products available
Cons:
– Limited specific technical details provided
– No detailed application examples listed
Rubber O Rings – Ningbo Kaxite Sealing Materials Co., Ltd.
Product Details: Rubber O Rings are designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. They are made according to China GB standard and international standards such as AS 568A and JIS B2401.
Technical Parameters:
– Model: KXT 1710
– Hardness: Shore A 30-90
Application Scenarios:
– Used in machine design for sealing applications.
– Commonly used in home appliances like cookers, heaters, and mixers.
Pros:
– Easy to make and reliable.
– Available in various materials and hardness options.
Cons:
– Limited temperature range depending on material.
– May require specific groove design for effective sealing.
Top 10 O-ring Manufacturers and Suppliers in China (2025) – Hongju
Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques such as injection, extrusion, and compression molding, with materials like nitrile rubber, silicone, EPDM rubber, and Fluorocarbon.
Technical Parameters:
– Available in standard and metric sizes
– Customizable materials including silicone, EPDM, nitrile rubber, and Viton
Application Scenarios:
– Automotive industry for power steering gears
– Aerospace and medical equipment for sealing applications
Pros:
– Wide range of products and customization options
– Good customer service and fast delivery
Cons:
– Minimum order quantities may apply for some manufacturers
– Quality may vary between different manufacturers
Rubber O Ring Manufacturers – Ningbo Kaxite Sealing Materials Co., Ltd.
Product Details: Rubber O Ring is a sealing material made from various elastomers, including silicone, nitrile, and Viton, designed for a wide range of applications.
Technical Parameters:
– Temperature range: -40°C to +200°C
– Material options: Silicone, Nitrile, Viton, HNBR
Application Scenarios:
– Precision sealing applications
– Industrial machinery and automotive applications
Pros:
– Excellent flexibility and compressibility
– High resistance to oils and chemicals
Cons:
– Limited low-temperature resistance for some materials
– Potential degradation in extreme environments
Quality O Rings Seal & Rubber O Ring factory from China
Product Details: Rubber O Rings, Rubber Seals, Rubber Grommets, Rubber Stoppers, Rubber Gaskets, and Custom Rubber Parts manufactured by Splendid Rubber Products (Shenzhen) Co., Ltd.
Technical Parameters:
– Hardness: 20-90 Shore-A
– Material: EPDM, NBR, Silicone, etc.
Application Scenarios:
– Automotive industry for sealing and shock absorption
– Medical and food industries requiring strict hygiene standards
Pros:
– High-quality manufacturing with ISO13485 certification
– Wide range of products suitable for various industries
Cons:
– Potentially higher costs for custom solutions
– Limited availability of certain specialized products
China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …
Product Details: Xiamen Seals Technology offers a range of sealing products including O-rings, X-rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, and Custom Rubber Parts. These products are designed for various industrial applications and are manufactured using high-quality materials.
Technical Parameters:
– Material: NBR, EPDM, Silicone, FKM
– Sizes: Standard and Metric sizes available
Application Scenarios:
– Automotive industry
– Medical equipment
Pros:
– Wide range of sealing solutions
– Custom design options available
Cons:
– Limited information on specific product performance
– Potential variability in material quality
Top 60 O-Ring Suppliers in China (2025) | ensun
Product Details: O-Rings manufactured by various suppliers in China, including specialized rubber ring manufacturers.
Technical Parameters:
– Materials: EPDM, NBR, CR, FKM, Silicone, SBR, IIR, NR
– Sizes: Various sizes available, including standard and customizable options.
Application Scenarios:
– Used in machinery, automobiles, and aerospace applications.
– Suitable for various industries including automotive, aerospace, and healthcare.
Pros:
– High-quality manufacturing with strict quality control measures.
– Wide range of materials and sizes available for different applications.
Cons:
– Potential fluctuations in raw material prices.
– Compliance with local and international standards may be required.
China O Rings Manufacturers and Suppliers – Customized O Rings Factory …
Product Details: O Rings are sealing devices used in various applications to prevent leakage of fluids or gases. They are available in different materials such as NBR, FKM, EPDM, and silicone.
Technical Parameters:
– Size: As Custom Drawing or Sample
– Material: PU, Silicone Rubber, VMQ, NBR, EPDM, FKM, Nitrile Rubber
Application Scenarios:
– Used in automotive applications for sealing
– Applicable in hydraulic and pneumatic systems
Pros:
– Durable and resistant to various chemicals
– Customizable sizes and materials available
Cons:
– May require specific installation techniques
– Performance can vary based on material choice
Related Video
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy | Savvy is a leading manufacturer and supplier of high-quality rubber O-rings in China, offering a wide range of sizes and shapes, including standard an… | – Cost-effective due to simple design and ease of mass production. – Versatile and reliable, compatible with a broad range of temperatures and pressu…. | – Prolonged compression can lead to permanent deformation reducing sealing effecti… – Improper installation can cause premature failure. | savvyrubber.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 manufacturing with strict quality control – Wide range of materials and custom options available | – Limited information on specific product limitations – Potentially higher costs for custom orders |
| China Rubber O Rings, Rubber Seal Ring, Rubber Gaskets Suppliers … | Xiamen Best Seal Imp and Exp Co., Ltd specializes in manufacturing rubber O rings, seal rings, gaskets, molded parts, hoses, bonded parts, seal kits,… | – High-quality manufacturing standards – Wide range of rubber products available | – Limited specific technical details provided – No detailed application examples listed | www.xmbestseal.com |
| Rubber O Rings – Ningbo Kaxite Sealing Materials Co., Ltd. | Rubber O Rings are designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. They… | – Easy to make and reliable. – Available in various materials and hardness options. | – Limited temperature range depending on material. – May require specific groove design for effective sealing. | www.seal-China.com |
| Top 10 O-ring Manufacturers and Suppliers in China (2025) – Hongju | O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques such as injec… | – Wide range of products 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 |
| Rubber O Ring Manufacturers – Ningbo Kaxite Sealing Materials Co., Ltd. | Rubber O Ring is a sealing material made from various elastomers, including silicone, nitrile, and Viton, designed for a wide range of applications. | – Excellent flexibility and compressibility – High resistance to oils and chemicals | – Limited low-temperature resistance for some materials – Potential degradation in extreme environments | www.seal-China.com |
| Quality O Rings Seal & Rubber O Ring factory from China | Rubber O Rings, Rubber Seals, Rubber Grommets, Rubber Stoppers, Rubber Gaskets, and Custom Rubber Parts manufactured by Splendid Rubber Products (Shen… | – High-quality manufacturing with ISO13485 certification – Wide range of products suitable for various industries | – Potentially higher costs for custom solutions – Limited availability of certain specialized products | www.oringsseal.com |
| China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers … | Xiamen Seals Technology offers a range of sealing products including O-rings, X-rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, and Custom Ru… | – Wide range of sealing solutions – Custom design options available | – Limited information on specific product performance – Potential variability in material quality | www.sealsmanufacturer.com |
| Top 60 O-Ring Suppliers in China (2025) | ensun | O-Rings manufactured by various suppliers in China, including specialized rubber ring manufacturers. | – High-quality manufacturing with strict quality control measures. – Wide range of materials and sizes available for different applications. | – Potential fluctuations in raw material prices. – Compliance with local and international standards may be required. |
| China O Rings Manufacturers and Suppliers – Customized O Rings Factory … | O Rings are sealing devices used in various applications to prevent leakage of fluids or gases. They are available in different materials such as NBR,… | – Durable and resistant to various chemicals – Customizable sizes and materials available | – May require specific installation techniques – Performance can vary based on material choice | www.svks-rubberseal.com |
Frequently Asked Questions (FAQs)
What are rubber O-rings used for?
Rubber O-rings are versatile sealing components used in various applications, including automotive, aerospace, plumbing, and industrial machinery. They create a tight seal between two surfaces, preventing leaks of fluids or gases, and are essential for ensuring the efficiency and safety of many systems.
How do I choose the right O-ring material?
Choosing the right O-ring material depends on factors like temperature, pressure, and the type of fluid or gas it will seal. Common materials include nitrile, silicone, and fluorocarbon, each offering different properties. Consider consulting with a manufacturer to find the best fit for your specific needs.
What is the typical lead time for O-ring production in China?
Lead times for O-ring production in China can vary based on order size and complexity. Generally, you can expect a lead time of 2 to 4 weeks for standard orders. However, custom designs may take longer, so it’s best to discuss timelines with your chosen factory.
Are there quality standards for O-rings produced in China?
Yes, many factories in China adhere to international quality standards such as ISO 9001. It’s important to verify that the factory you choose follows these standards to ensure the O-rings meet your specifications and perform reliably in their intended applications.
Can I get custom O-ring sizes from Chinese manufacturers?
Absolutely! Many Chinese manufacturers offer custom O-ring sizes and designs to meet your specific requirements. You can provide your dimensions and specifications, and they will produce O-rings tailored to your needs, ensuring a perfect fit for your application.