Are you in the market for high-quality O-rings and wondering where to find the best suppliers? With countless factories in China, choosing the right one can feel overwhelming. Understanding the top O-ring suppliers is crucial, as it can significantly impact your product’s performance and reliability. By comparing these factories, you can ensure you’re getting the best materials at competitive prices, ultimately saving you time and money. Ready to discover the leading O-ring suppliers in China? Let’s dive in and explore your best options for quality and value!

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
– Suitable for sealing 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
– Improper use can lead to cutting, twisting, and breaking

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 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, NBR, and Viton

Application Scenarios:
– Automotive industry for power steering gears
– Aerospace and military applications

Pros:
– Wide range of products and materials
– Customization options available

Cons:
– Potentially high minimum order quantities
– Quality may vary between manufacturers

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, Silicone, FKM
– Sizes: Standard and Metric

Application Scenarios:
– Automotive industry
– Medical equipment

Pros:
– Wide range of applications
– High-quality materials

Cons:
– Limited customization options
– Potential for wear over time

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: ±3-5A
– Dimensions and tolerances follow ISO3601 standards

Application Scenarios:
– Static applications
– Dynamic applications

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

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
– Aerospace

Pros:
– High durability
– Customization capabilities

Cons:
– Potentially higher cost compared to standard 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.
– Suitable for both static and dynamic sealing applications.

Pros:
– Versatile and effective sealing solutions.
– Custom sizes and shapes available from many manufacturers.

Cons:
– Minimum order quantities may vary by manufacturer.
– Quality can differ between manufacturers.

China Orings Viton Manufacturers and Suppliers, Factory | BD SEALS

Product Details: High-Performance Viton O-rings manufactured by Ningbo Bodi Seals Co., Ltd. Ideal for various applications in industries such as automotive, aerospace, oil and gas, and pharmaceuticals.

Technical Parameters:
– Resistance to extreme temperatures
– Chemical resistance

Application Scenarios:
– Automotive sealing applications
– Aerospace sealing applications

Pros:
– High-quality sealing solution
– Competitive pricing and prompt delivery

Cons:
– Limited information on specific sizes
– Potential availability issues

Top 10 O-Rings Manufacturers in China – News – qlrubber.com

Product Details: O-rings manufactured by various companies in China, including custom and standard options.

Technical Parameters:
– Materials: Silicone, Viton, EPDM, NBR, FKM, NR, PU, CR, HNBR, SBR, IIR, SEP, Flu…
– Sizes: Various sizes available for different applications

Application Scenarios:
– Used in automotive, aerospace, and medical industries
– Applicable in various sealing and cushioning applications

Pros:
– Wide range of materials and custom options available
– High-quality production standards

Cons:
– Potentially limited availability of specific materials
– Custom production may require longer lead times

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 and quality control
– Wide range of materials and applications

Cons:
– Limited information on specific product limitations
– Potentially higher cost for custom solutions

Viton O Ring Suppliers, Manufacturers, Factory – Kaxite Sealing

Product Details: Viton O Ring has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals.

Technical Parameters:
– Color: Black/Yellow
– Temperature range: -30°C to +250°C

Application Scenarios:
– Off-Highway and Heavy-Duty Equipment
– Chemical Processing and Transportation

Pros:
– Long time using time to save your money cost
– Excellent resistance to high temperatures

Cons:
– Low temperature resistance is normally not favorable
– Limited to approximately -26°C for static applications

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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 – Improper use can lead to cutting, twisting, and breaking	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 using various techniques such as injec…	– Wide range of products and materials – Customization options available	– Potentially high minimum order quantities – Quality may vary between manufacturers	hongjusilicone.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	– Wide range of applications – High-quality materials	– Limited customization options – Potential for wear over time	www.sealsmanufacturer.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
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,…	– High durability – Customization capabilities	– Potentially higher cost compared to standard 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 sealing solutions. – Custom sizes and shapes available from many manufacturers.	– Minimum order quantities may vary by manufacturer. – Quality can differ between manufacturers.	www.rubber-tools.com
China Orings Viton Manufacturers and Suppliers, Factory	BD SEALS	High-Performance Viton O-rings manufactured by Ningbo Bodi Seals Co., Ltd. Ideal for various applications in industries such as automotive, aerospace,…	– High-quality sealing solution – Competitive pricing and prompt delivery	– Limited information on specific sizes – Potential availability issues
Top 10 O-Rings Manufacturers in China – News – qlrubber.com	O-rings manufactured by various companies in China, including custom and standard options.	– Wide range of materials and custom options available – High-quality production standards	– Potentially limited availability of specific materials – Custom production may require longer lead times	www.qlrubber.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 – Wide range of materials and applications	– Limited information on specific product limitations – Potentially higher cost for custom solutions
Viton O Ring Suppliers, Manufacturers, Factory – Kaxite Sealing	Viton O Ring has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic…	– Long time using time to save your money cost – Excellent resistance to high temperatures	– Low temperature resistance is normally not favorable – Limited to approximately -26°C for static applications	www.seal-china.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, production capacity, quality control processes, and certifications. It’s also important to evaluate their communication skills and responsiveness. Look for suppliers who can provide samples and have a good reputation in the industry.

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

To ensure quality, request samples before placing a large order. Verify the supplier’s quality control measures and certifications, such as ISO 9001. Regular inspections during production and third-party quality checks can also help maintain standards.

What are the common materials used for o-rings?

O-rings are typically made from materials like nitrile rubber (NBR), silicone, fluorocarbon (FKM), and EPDM. The choice of material depends on the application, temperature range, and chemical exposure. Discuss your specific needs with the supplier to find the best option.

How long does it take to receive o-rings from China?

Delivery times can vary based on the supplier’s location, production schedule, and shipping method. Generally, it takes 2-4 weeks for production and an additional 1-3 weeks for shipping. Always confirm timelines with your supplier to plan accordingly.

What are the payment options when ordering o-rings from China?

Most suppliers offer various payment options, including bank transfers, PayPal, and letters of credit. It’s common to pay a deposit upfront, with the balance due before shipping. Discuss payment terms with your supplier to find a mutually agreeable arrangement.