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 distributors is crucial for ensuring you receive reliable products that meet your specifications. By comparing these factories, you can save time and money while securing the best deals. Ready to discover the leading O-ring manufacturers that can elevate your projects? Dive into our comprehensive comparison and make informed decisions that will benefit your business!

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:
– Available in standard and metric sizes
– Customizable materials including silicone, EPDM, NBR, 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

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, 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 systems and machinery

Pros:
– Customized service available to meet specific requirements
– Competitive pricing for bulk orders

Cons:
– Limited information on specific product durability
– Potential lead time for custom orders

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 up to 300℃

Application Scenarios:
– Oil and Gas
– Food Beverage Pharmaceutical and Medical

Pros:
– High quality elastomer seals
– Customizable products

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

FKM O Rings, China NBR O Ring supplier

Product Details: Quality FKM O Rings & NBR O Ring factory from China. Various types of O rings including FKM, NBR, Silicone, and EPDM.

Technical Parameters:
– Material: NBR / Nitrile Rubber, FKM, Silicone
– Hardness: 30-80 Shore A, 70±5 Shore

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

Pros:
– Versatile sealing solutions suitable for various applications.
– Easy installation and replacement.

Cons:
– Requires regular inspection for wear and damage.
– Material selection must match specific application requirements.

China O-Ring Kits Suppliers – NNK oil seal

Product Details: NNK O-Ring Kits are high-performance and customizable 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 design

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

Custom HNBR O-Ring Manufacturer in China – Yoson Seals

Product Details: HNBR O-Ring – Hydrogenated Nitrile Butadiene Rubber O-rings manufactured by YOSON, suitable for various applications with customizable features.

Technical Parameters:
– Temperature Range: -30°C to +150°C
– Material: Hydrogenated Nitrile Butadiene Rubber

Application Scenarios:
– Automotive industry
– Oil and gas industry

Pros:
– Excellent resistance to oils, chemicals, and heat
– Customizable sizes and specifications

Cons:
– Generally higher cost compared to NBR
– Limited flexibility at low temperatures

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 60-90

Application Scenarios:
– Used in hydraulic and pneumatic transmission systems
– Sealing applications in medical and food industries

Pros:
– Low manufacturing cost and convenient use
– Wide application and strong adaptability

Cons:
– Difficult to achieve zero leakage in dynamic seals
– Installation can be challenging with high hardness

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 materials available
– Custom design options

Cons:
– Limited information on specific technical parameters
– Potential for variability in quality

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom O-rings and high-temperature O-ring seals manufactured by Hongju, suitable for engines, pumps, cylinders, connectors, valves, etc.

Technical Parameters:
– Material: Silicone rubber
– Hardness tolerance: ±3-5A, following ISO3601 standards

Application Scenarios:
– Sealing for engines and pumps
– Static and dynamic applications in various machinery

Pros:
– High-quality materials and precision molds
– Fast tooling and manufacturing times

Cons:
– Limited information on specific material types
– Potential variability in shipping times based on location

Stainless O Ring Manufacturer in China – HM

Product Details: Stainless steel O rings manufactured by HM, designed for durability and reliability in various applications.

Technical Parameters:
– Corrosion-resistant material
– High temperature and pressure tolerance

Application Scenarios:
– Automotive engines
– Hydraulic and pneumatic systems

Pros:
– Exceptional durability and long-lasting performance
– Customizable to meet specific requirements

Cons:
– Potentially higher cost compared to rubber O rings
– Limited flexibility compared to softer materials

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
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 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
China O Rings Manufacturers and Suppliers – SWKS Seal	O Rings manufactured by Tianjin SWKS Technology & Development Co., Ltd, available in various materials including NBR, FKM, EPDM, and silicone.	– Customized service available to meet specific requirements – Competitive pricing for bulk orders	– Limited information on specific product durability – Potential lead time for custom orders	www.svks-rubberseal.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 – Customizable products	– Limited information on specific product specifications – Potentially higher cost for custom solutions	www.oring-seal.com
FKM O Rings, China NBR O Ring supplier	Quality FKM O Rings & NBR O Ring factory from China. Various types of O rings including FKM, NBR, Silicone, and EPDM.	– Versatile sealing solutions suitable for various applications. – Easy installation and replacement.	– Requires regular inspection for wear and damage. – Material selection must match specific application requirements.	www.o-ringsseals.com
China O-Ring Kits Suppliers – NNK oil seal	NNK O-Ring Kits are high-performance and customizable O-Rings, machine tested for quality assurance.	– Self-sealing effect with strong sealing capabilities – Compact installation and lightweight design	– Limited to specific temperature ranges based on material – Potential for wear over time in dynamic applications	www.nokcn-seals.com
Custom HNBR O-Ring Manufacturer in China – Yoson Seals	HNBR O-Ring – Hydrogenated Nitrile Butadiene Rubber O-rings manufactured by YOSON, suitable for various applications with customizable features.	– Excellent resistance to oils, chemicals, and heat – Customizable sizes and specifications	– Generally higher cost compared to NBR – Limited flexibility at low temperatures	www.yosonseals.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 – Wide application and strong adaptability	– Difficult to achieve zero leakage in dynamic seals – Installation can be challenging with high hardness	savvyrubber.com
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 materials available – Custom design options	– Limited information on specific technical parameters – Potential for variability in quality	www.sealsmanufacturer.com
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom O-rings and high-temperature O-ring seals manufactured by Hongju, suitable for engines, pumps, cylinders, connectors, valves, etc.	– High-quality materials and precision molds – Fast tooling and manufacturing times	– Limited information on specific material types – Potential variability in shipping times based on location	hongjusilicone.com
Stainless O Ring Manufacturer in China – HM	Stainless steel O rings manufactured by HM, designed for durability and reliability in various applications.	– Exceptional durability and long-lasting performance – Customizable to meet specific requirements	– Potentially higher cost compared to rubber O rings – Limited flexibility compared to softer materials	hmaking.com

Frequently Asked Questions (FAQs)

What are O-ring distributor factories in China?

O-ring distributor factories in China are manufacturing facilities that produce O-rings, which are essential sealing components used in various industries. These factories specialize in creating O-rings from different materials, ensuring they meet specific standards and requirements for durability and performance.

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

To choose a reliable O-ring distributor, look for factories with a good reputation, positive customer reviews, and certifications like ISO. It’s also helpful to request samples, check their production capabilities, and communicate directly to assess their responsiveness and professionalism.

What materials are commonly used for O-rings?

O-rings can be made from various materials, including rubber, silicone, nitrile, and fluorocarbon. The choice of material depends on the application, temperature range, and chemical exposure. Each material has unique properties that make it suitable for specific environments.

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

The lead time for O-ring orders can vary based on the factory’s production capacity and the complexity of your order. Generally, it ranges from a few days to several weeks. It’s best to discuss timelines with the distributor to get a more accurate estimate.

Can I customize O-rings for my specific needs?

Yes, many O-ring distributors in China offer customization options. You can specify dimensions, materials, and even colors to meet your specific requirements. Be sure to communicate your needs clearly to ensure the final product aligns with your expectations.