Ever wondered where the best O-rings in the world come from? Many top-quality O-rings are sourced from China, but choosing the right factory can be tricky. Comparing the top O-ring importer factories is crucial for ensuring quality, reliability, and competitive pricing for your business. Knowing the best options saves you time, money, and potential headaches down the line. Ready to discover the cream of the crop? Let’s dive into our comparison of China’s leading O-ring factories!

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

Product Details: O-rings (standard and metric sizes), silicone rubber parts, gaskets, seals, keypads, grommets, neoprene gaskets, medical silicone products, plastic o-rings, gaskets, seals, extrusion parts, suction cups, grommets, hoses, hydraulic and pneumatic seals, encapsulated o-rings, auto power steering PTFE seals, hydraulic cylinder seals, rotary o-ring seal, stainless steel PTFE oil seal, cord oil seal, oil seals, hydraulic seals, rubber seals, liquid silicone rubber parts, pneumatic seals, silicone accessories, o-ring seal, rubber gaskets, oil seal covers, pump valve oil seals, hydraulic seals, o-ring seal, o-ring kit, bearing seal/strip, oil and wiper seal, sealing strips, rubber cords, EPDM rubber seals, square rings, rotary, scraper,

and piston seals, bonded seals, gaskets, oil seals

Technical Parameters:
– Size (standard and metric)
– Material (nitrile rubber, silicone, EPDM, Viton/Fluorocarbon, etc.)
– Pressure resistance
– Temperature resistance
– Chemical resistance

Application Scenarios:
– Automotive industry
– Aerospace industry
– High-tech equipment
– Construction industry
– Medical equipment
– Military applications
– Chemical industry
– Valves
– Pipelines
– Bearings
– Machines

Pros:
– Wide range of products
– Fast delivery
– Good customer service
– Low minimum order quantities (MOQs)
– Customization available
– Competitive pricing
– High-quality materials
– Well-equipped production facilities
– Export license
– International clients
– Extensive product categories
– Excellent quality assurance
– Hassle-free transportation
– Diverse material offerings
– No MOQ for customized parts

Cons:
– Insufficient information to list specific cons

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

Product Details: O-rings are circular cross-section rubber sealing rings used to seal various fluids (air, water, oil). Savvy Rubber manufactures standard and custom o-rings in various materials, including NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, Aflas, FFKM, FVMQ, PTFE (Teflon), Nylon, and PU (Polyurethane). They also produce encapsulated o-rings, backup rings, and x-rings. O-rings are specified by Inside Diameter (ID), Outside Diameter (OD), and Cross-Section (CS/W).

Technical Parameters:
– ID, OD, CS/W dimensions
– Shore A hardness (40-90)
– Temperature range varies by material
– Material compatibility varies by material

Application Scenarios:
– Hydraulic and pneumatic transmission systems
– Static sealing of mechanical parts to prevent leakage of liquid and gaseous medi…
– Axial dynamic sealing of reciprocating and low-speed rotating motion
– Various dynamic and static sealing occasions

Pros:
– Simple structure, small size, compact installation
– Self-sealing effect, no need for periodic adjustment
– Static seal can achieve zero leakage
– Strong adaptability, wide application
– Low price

Cons:
– Large starting friction resistance when used for compression sealing
– Prone to accidents like cutting, twisting, and breaking if used improperly
– Difficult to achieve zero leakage of dynamic seals
– May require protective backup ring, dust ring, and lubricating accessories in so…

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

Product Details: Viton O-rings are highly durable synthetic rubber O-rings designed to withstand extreme environments, including high pressure and temperatures, and resistant to flame, chemicals, oils, and fluids. They are available in standard and custom sizes.

Technical Parameters:
– High pressure tolerance
– High temperature tolerance
– Chemical resistance
– Flame resistance

Application Scenarios:
– Mechanical
– Automotive
– Electrical
– Pharmaceutical
– Medical
– Aerospace
– Chemical processing
– Petroleum

Pros:
– High durability
– Resistance to extreme environments
– Customization capabilities
– Low MOQ (for some manufacturers)
– Affordable price (for some manufacturers)

Cons:
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Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom and standard size silicone rubber O-rings and high-temperature O-ring seals. Available in various colors and materials. Manufactured using compression molding.

Technical Parameters:
– Hardness tolerance: ±3-5A (customizable)
– Dimensions and tolerances follow ISO3601 standards (customizable)

Application Scenarios:
– Engines
– Pumps
– Cylinders
– Connectors
– Valves
– Various machinery (static and dynamic applications)

Pros:
– High quality
– Certified materials
– Wide selection of stock items at wholesale prices
– Fast turnaround
– Customizable designs and materials
– Cost-effective

Cons:
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O Rings Buyers & Importers in China

Product Details: O-rings from China

Technical Parameters:
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Application Scenarios:
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Pros:
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Cons:
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China O Rings Suppliers, Manufacturers, Factory – Customized O Rings …

Product Details: Jinbond offers a range of static seals, including O-rings, Heavy Duty Static Seal JB-17 (alternative to O-rings and anti-extrusion rings for high-pressure applications), Spring Energized Axial Seals (Teflon jacket, cantilever V spring or helical spring), High Pressure Spring Seals for Flange (Teflon jacket, V-shaped or helical spring), Hydraulic Teflon Back-up Rings BRT (prevents O-ring extrusion), Hydraulic Static Seals (U-shaped slide ring, coiled metallic spring), Nitrile Rubber O-rings, and Rubber X-ring Quad Rings.

Technical Parameters:
– High pressure applications
– Specific dimensions and materials vary by product

Application Scenarios:
– High-pressure applications
– Flange sealing
– Dynamic and static sealing
– Cryogenic service

Pros:
– High efficiency
– Wide range of materials and designs available

Cons:
– Insufficient information to list specific cons

Quality FKM O Rings & NBR O Ring factory from China

Product Details: FKM O-Rings, NBR O-Rings, Silicone O-Rings, EPDM O-Rings, O-Ring Seals, O-Ring Kits, Molded Rubber Parts, O-Ring Cord, Quad Ring, EPDM Rubber Extrusion, Flat Ring Gasket, Rubber Grommet, Solid Rubber Ball, Rubber Bushing, Rubber Diaphragm, Silicone Rubber Hose, Y Ring Seal, Elastomeric Waterproof O-Ring Seals, Mechanical O-Ring System, Excellent Rebound Resistance Blue Color Custom Mold Silicone Rubber Bushing, Silicone Chemical Compatibility O-Ring, High Temperature Resistance Rubber O-ring, Custom NBR O-Ring, Florocarbon Coloured FKM O-Rings, Silicone Rubber O-Ring, ORK EPDM O-Ring, Durable O Ring Kit Box, black good electrical insulation silicon rubber switch cover, AS568 Waterproof NBR O Ring Rubber, Coloured Silicone

O Rings

Technical Parameters:
– Material: NBR, Silicone, FKM, EPDM etc.
– Hardness: Varies depending on material and product
– Standard: AS568 Standard
– Temperature Resistance: Varies depending on material
– Size: Varies depending on product

Application Scenarios:
– Automotive
– Aerospace
– Oil and Gas
– Medical
– Industrial
– Commercial
– Pneumatic Systems
– Hydraulic Systems
– Water Bottles
– Electric Toothbrushes

Pros:
– Versatile
– Easy Installation and Replacement
– Reliable Sealing
– Wide Range of Materials

Cons:
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O’ring Division | See Full Importer History – ImportGenius

Product Details: DTR-9073X

Technical Parameters:
– Piece Count: 24
– Length: 240
– Height: 102
– Width: 98
– Container Type: 20 Foot General Purpose Container, Openings at One or Both Ends

Application Scenarios:
– Generic O-ring applications

Pros:
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Cons:
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O Ring China, O-Ring Supplier in China, Custom O-Ring Solutions

Product Details: O-Rings, custom O-Ring solutions, Rubber Seals, Rubber Products, Power Tools

Technical Parameters:
– ISO 3601
– various materials (e.g., FFKM, HNBR, FVMQ)

Application Scenarios:
– automotive
– aerospace
– marine
– general industry

Pros:
– high quality
– customization capabilities
– competitive pricing
– adherence to international standards

Cons:
– lead times may vary
– potential communication barriers (language)

O Ring Import Companies in Ethiopia | Ethiopia Importers of O Ring

Product Details: O-rings

Technical Parameters:
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Application Scenarios:
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Pros:
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Cons:
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Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
Top 10 O-ring Manufacturers and Suppliers in China (2024)	O-rings (standard and metric sizes), silicone rubber parts, gaskets, seals, keypads, grommets, neoprene gaskets, medical silicone products, plastic o-…	– Wide range of products – Fast delivery – Good customer service – Low minimum order quantities (MOQs) – Customization available – Competitive pricing…	– Insufficient information to list specific cons	hongjusilicone.com
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy	O-rings are circular cross-section rubber sealing rings used to seal various fluids (air, water, oil). Savvy Rubber manufactures standard and custom o…	– Simple structure, small size, compact installation – Self-sealing effect, no need for periodic adjustment – Static seal can achieve zero leakage – S…	– Large starting friction resistance when used for compression sealing – Prone to accidents like cutting, twisting, and breaking if used improperly -…	savvyrubber.com
Top 10 Viton O-ring Manufacturers and Suppliers in China(2024)	Viton O-rings are highly durable synthetic rubber O-rings designed to withstand extreme environments, including high pressure and temperatures, and re…	– High durability – Resistance to extreme environments – Customization capabilities – Low MOQ (for some manufacturers) – Affordable price (for some ma…	– Generic placeholder – Generic placeholder	hongjusilicone.com
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom and standard size silicone rubber O-rings and high-temperature O-ring seals. Available in various colors and materials. Manufactured using com…	– High quality – Certified materials – Wide selection of stock items at wholesale prices – Fast turnaround – Customizable designs and materials – Cost…	– Generic placeholder – Generic placeholder	hongjusilicone.com
O Rings Buyers & Importers in China	O-rings from China	– N/A – N/A	– N/A – N/A	china.tradeford.com
China O Rings Suppliers, Manufacturers, Factory – Customized O Rings …	Jinbond offers a range of static seals, including O-rings, Heavy Duty Static Seal JB-17 (alternative to O-rings and anti-extrusion rings for high-pres…	– High efficiency – Wide range of materials and designs available	– Insufficient information to list specific cons	www.jinbondseal.com
Quality FKM O Rings & NBR O Ring factory from China	FKM O-Rings, NBR O-Rings, Silicone O-Rings, EPDM O-Rings, O-Ring Seals, O-Ring Kits, Molded Rubber Parts, O-Ring Cord, Quad Ring, EPDM Rubber Extrusio…	– Versatile – Easy Installation and Replacement – Reliable Sealing – Wide Range of Materials	– Generic Placeholder – Generic Placeholder	o-ringsseals.com
O’ring Division	See Full Importer History – ImportGenius	DTR-9073X	– Generic placeholder	– Generic placeholder
O Ring China, O-Ring Supplier in China, Custom O-Ring Solutions	O-Rings, custom O-Ring solutions, Rubber Seals, Rubber Products, Power Tools	– high quality – customization capabilities – competitive pricing – adherence to international standards	– lead times may vary – potential communication barriers (language)	www.rubber-tools.com
O Ring Import Companies in Ethiopia	Ethiopia Importers of O Ring	O-rings	– Not specified – Not specified	– Not specified – Not specified

Frequently Asked Questions (FAQs)

What are the typical certifications held by reputable o-ring importer factories in China?

You’ll often find Chinese o-ring factories boasting certifications like ISO 9001 (quality management), IATF 16949 (automotive quality), and possibly others depending on their specialization and target markets. These certifications demonstrate a commitment to quality and standardized processes, giving you more confidence in their products.

How can I ensure the quality of o-rings sourced from a Chinese factory?

Thorough due diligence is key! Request samples for testing, verify their certifications, and consider on-site inspections if possible. Clearly define your quality requirements upfront – including material specifications and tolerances – and establish a robust quality control process throughout the supply chain.

What are the common payment methods used when importing o-rings from China?

Letter of Credit (LC), Telegraphic Transfer (TT), and sometimes even escrow services are common. L/Cs offer the most buyer protection, while TT is faster but carries more risk. Discuss payment terms carefully with your supplier to find a solution that balances security and efficiency.

What are the typical lead times for o-ring orders from China?

Lead times vary depending on order size, product complexity, and the factory’s current workload. Expect lead times ranging from a few weeks to several months, especially for larger or customized orders. Always clarify the estimated lead time upfront to avoid delays in your project.

What are the common challenges faced when importing o-rings from China?

Communication barriers, logistical complexities, and potential quality control issues are common challenges. Clear communication, diligent supplier selection, and a well-defined contract are crucial to mitigate these risks. Consider using a sourcing agent to navigate these complexities.