Are you in the market for high-quality O-rings and wondering where to find the best manufacturers in China? With countless factories vying for your attention, it’s crucial to know which ones stand out. Comparing the top O-ring factories not only saves you time but also ensures you get the best products for your needs. Imagine having access to reliable suppliers that can enhance your projects and boost your business. Ready to discover the leading O-ring manufacturers in China? Let’s dive in and explore your best options!

FKM O Rings, China NBR O Ring supplier

Product Details: Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd.

Technical Parameters:
– Material: NBR / Nitrile Rubber
– Color: Black
– Standard: AS568 Standard
– Hardness: 70±5 Shore

Application Scenarios:
– Used in hydraulic and pneumatic systems to prevent leaks
– Sealing solutions in automotive, aerospace, oil and gas, and medical industries

Pros:
– Versatile sealing solutions with various material options
– Ease of installation and replacement

Cons:
– Requires regular inspection for wear and damage
– Performance may vary based on material choice

Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司

Product Details: O-rings, Rubber strip, molded parts, Spring seals designer and manufacturer

Technical Parameters:
– Various sizes and materials available
– High temperature resistance

Application Scenarios:
– Fluid Power
– Auto Parts

Pros:
– High quality elastomer seals
– Custom rubber parts available

Cons:
– Limited information on specific product specifications
– Potentially high minimum order quantities

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 and gases. They are manufactured using various techniques and materials, including nitrile rubber, silicone, EPDM rubber, and Fluorocarbon (Viton).

Technical Parameters:
– Standard and metric sizes
– Low minimum order quantities (MOQs)

Application Scenarios:
– Automotive industry
– Aerospace and military applications

Pros:
– Wide range of products
– Customization available

Cons:
– Potentially high costs for small orders
– Quality may vary by manufacturer

China O-Ring Kits Suppliers – NNK Oil Seal

Product Details: NNK O-Ring Kits are high performance and customized O-Rings, machine tested for quality assurance.

Technical Parameters:
– Material: Nitrile (NBR), Fluorine rubber (FKM), Silicone (SIL), EPDM, Hydrogenat…
– Types: O-rings for stationary seals, reciprocating seals, and rotary seals

Application Scenarios:
– Machine tools
– Automobiles

Pros:
– Self-sealing effect with strong sealing capabilities
– Compact installation and lightweight structure

Cons:
– Limited to specific temperature ranges based on rubber material
– Potential wear over time in dynamic applications

China O Rings Manufacturers and Suppliers – SWKS Seal

Product Details: O Rings manufactured by Tianjin SWKS Technology & Development Co., Ltd, available in various materials including NBR, Silicone, Viton, and EPDM.

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:
– Customized service available to meet specific requirements
– Competitive pricing due to direct manufacturing

Cons:
– Limited information on specific product performance metrics
– Potential variability in quality depending on material selection

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

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 in medical and food industries

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
– Starting friction resistance can be large in compression sealing

O-Rings | China – Products | Parker NA

Product Details: O-Rings are essential sealing components used in various applications to prevent leakage of fluids and gases.

Technical Parameters:
– Material: Nitrile, Viton, Silicone
– Temperature Range: -40°C to 200°C

Application Scenarios:
– Hydraulic systems
– Automotive applications

Pros:
– Durable and reliable sealing
– Wide range of materials available

Cons:
– Limited to specific pressure ranges
– May require specific installation techniques

Xiamen Seals Technology Co.,Ltd: China O-Rings, X-Rings …

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 material degradation over time

O Rings Manufacturer | O Rings Supplier – Hongjie Rubber Seal

Product Details: Wholesale O Rings in Bulk from Hongjie, a professional O rings manufacturer in China since 2000, offering custom options and factory direct prices.

Technical Parameters:
– Various international O-Ring standards available
– Certificated compounds to meet specific market requirements

Application Scenarios:
– Automotive industry
– Hydraulic and pneumatic systems

Pros:
– One-stop O rings OEM/ODM solution
– Affordable factory direct pricing

Cons:
– Limited information on specific sizes and materials
– Potential variability in quality based on supplier

Rubber O-Rings Manufacturer in China- Lindas

Product Details: Rubber O-Rings manufactured by Lindas in various rubber materials including NBR, EPDM, NR, SBR, Silicone, HNBR, PU, CR, Flurosilicone, Viton, FKM, ACM, AEM. Custom sizes available.

Technical Parameters:
– Temperature range: -60°C to 280°C (-76℉ to 536℉)
– Material types: Nitrile, Neoprene, Silicone, Polyurethane

Application Scenarios:
– Transportation: automotive, aerospace
– Oil Industry: pumps, dispensers, valves, tanks

Pros:
– Easy to produce and affordable cost
– Withstand high pressure and tightly seals

Cons:
– Potential failure under extreme pressure conditions
– Material limitations based on temperature and chemical exposure

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Comparison Table

Company	Product Details	Pros	Cons	Website
FKM O Rings, China NBR O Ring supplier	Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd.	– Versatile sealing solutions with various material options – Ease of installation and replacement	– Requires regular inspection for wear and damage – Performance may vary based on material choice	www.o-ringsseals.com
Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司	O-rings, Rubber strip, molded parts, Spring seals designer and manufacturer	– High quality elastomer seals – Custom rubber parts available	– Limited information on specific product specifications – Potentially high minimum order quantities	www.oring-seal.com
Top 10 O-ring Manufacturers and Suppliers in China (2024)	O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques and materials…	– Wide range of products – Customization available	– Potentially high costs for small orders – Quality may vary by manufacturer	hongjusilicone.com
China O-Ring Kits Suppliers – NNK Oil Seal	NNK O-Ring Kits are high performance and customized O-Rings, machine tested for quality assurance.	– Self-sealing effect with strong sealing capabilities – Compact installation and lightweight structure	– Limited to specific temperature ranges based on rubber material – Potential wear over time in dynamic applications	www.nokcn-seals.com
China O Rings Manufacturers and Suppliers – SWKS Seal	O Rings manufactured by Tianjin SWKS Technology & Development Co., Ltd, available in various materials including NBR, Silicone, Viton, and EPDM.	– Customized service available to meet specific requirements – Competitive pricing due to direct manufacturing	– Limited information on specific product performance metrics – Potential variability in quality depending on material selection	www.svks-rubberseal.com
O-Rings, Rubber Seals – Best China Manufacturer & Supplier	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 – Starting friction resistance can be large in compression sealing	savvyrubber.com
O-Rings	China – Products	Parker NA	O-Rings are essential sealing components used in various applications to prevent leakage of fluids and gases.	– Durable and reliable sealing – Wide range of materials available
Xiamen Seals Technology Co.,Ltd: China O-Rings, X-Rings …	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 material degradation over time	www.sealsmanufacturer.com
O Rings Manufacturer	O Rings Supplier – Hongjie Rubber Seal	Wholesale O Rings in Bulk from Hongjie, a professional O rings manufacturer in China since 2000, offering custom options and factory direct prices.	– One-stop O rings OEM/ODM solution – Affordable factory direct pricing	– Limited information on specific sizes and materials – Potential variability in quality based on supplier
Rubber O-Rings Manufacturer in China- Lindas	Rubber O-Rings manufactured by Lindas in various rubber materials including NBR, EPDM, NR, SBR, Silicone, HNBR, PU, CR, Flurosilicone, Viton, FKM, ACM…	– Easy to produce and affordable cost – Withstand high pressure and tightly seals	– Potential failure under extreme pressure conditions – Material limitations based on temperature and chemical exposure	lindasrubber.com

Frequently Asked Questions (FAQs)

What are O-rings and what are they used for?

O-rings are circular seals made from various materials, primarily rubber, that prevent the leakage of fluids and gases in machinery and equipment. They are commonly used in automotive, aerospace, and industrial applications to ensure a tight seal between two surfaces.

Why should I consider sourcing O-rings from China?

Sourcing O-rings from China can be cost-effective due to lower manufacturing costs. Chinese factories often have advanced technology and experience in producing high-quality O-rings, making them a reliable option for bulk orders.

How do I choose a reliable O-ring factory in China?

To choose a reliable factory, research their reputation, check customer reviews, and ask for samples. It’s also helpful to verify their certifications and quality control processes to ensure they meet your standards.

What materials are commonly used for O-rings?

Common materials for O-rings include nitrile rubber (NBR), silicone, fluorocarbon (Viton), and EPDM. The choice of material depends on the application, temperature range, and chemical exposure.

What is the typical lead time for O-ring production in China?

The lead time for O-ring production can vary, but it generally ranges from 2 to 6 weeks, depending on the complexity of the order and the factory’s workload. Always confirm the timeline with the manufacturer before placing an order.