Are you in the market for high-quality o-rings but feeling overwhelmed by the options? With countless manufacturers in China, finding the right factory can be a daunting task. Understanding the top players in the industry is crucial, as it can significantly impact your product’s performance and reliability. By comparing these leading factories, you can ensure you choose a partner that meets your quality standards and budget. Ready to simplify your search and make informed decisions? Dive into our comprehensive comparison of the top o-ring manufacturers in China and discover the best options for your needs!

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, nitrile rubber, and Viton

Application Scenarios:
– Used in automotive, aerospace, and industrial applications
– Suitable for both static and dynamic sealing conditions

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

Cons:
– Minimum order quantities may apply for some manufacturers
– Quality may vary between different manufacturers

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
– Sealing applications for 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
– Can be prone to cutting, twisting, and breaking if used improperly

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 customizable for specific needs.
– Effective sealing capability for various applications.

Cons:
– Minimum order quantities can vary significantly.
– Quality may depend on the manufacturer and materials used.

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 available

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

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 in multiple materials.

Technical Parameters:
– Various sizes available
– Materials include silicone, Viton, EPDM, NBR, and more

Application Scenarios:
– Automotive industry
– Aerospace industry

Pros:
– Wide range of materials and sizes
– Custom production options available

Cons:
– Quality may vary between manufacturers
– Potentially longer lead times for custom orders

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

China O Rings Suppliers, Manufacturers, Factory – Customized O Rings …

Product Details: Heavy Duty Static Seal JB-17 is a high efficiency static seal, usually used as an alternative to the o-ring and anti-extrusion ring for high pressure applications.

Technical Parameters:
– High efficiency
– Suitable for high pressure applications

Application Scenarios:
– Used in hydraulic systems
– Applicable in high-pressure environments

Pros:
– High efficiency
– Durable under high pressure

Cons:
– Limited to specific applications
– May require specific installation techniques

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:
– Static and dynamic sealing applications
– Used in various products requiring resistance to water, oil, and high temperatur…

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

O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory …

Product Details: O-rings, gaskets, waterproof rings, cushions, custom-made miscellaneous pieces, and other rubber products.

Technical Parameters:
– Material: Nitrile, Silicone, PTFE
– Hardness: Various durometers available

Application Scenarios:
– Automotive sealing applications
– Industrial machinery

Pros:
– Cost-effective sealing solutions
– Wide range of products available

Cons:
– Limited to specific applications
– Potential for wear over time

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 industry
– Aerospace applications

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

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

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Comparison Table

Company	Product Details	Pros	Cons	Website
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 available – Customization options for specific applications	– Minimum order quantities may apply for some manufacturers – Quality may vary between different manufacturers	hongjusilicone.com
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 – Can be prone to cutting, twisting, and breaking if used improperly	savvyrubber.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 customizable for specific needs. – Effective sealing capability for various applications.	– Minimum order quantities can vary significantly. – Quality may depend on the manufacturer and materials used.	www.rubber-tools.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 available	– Limited information on specific applications – Potentially higher cost for custom solutions
Top 10 O-Rings Manufacturers in China – News – qlrubber.com	O-rings manufactured by various companies in China, including custom and standard options in multiple materials.	– Wide range of materials and sizes – Custom production options available	– Quality may vary between manufacturers – Potentially longer lead times for custom orders	www.qlrubber.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
China O Rings Suppliers, Manufacturers, Factory – Customized O Rings …	Heavy Duty Static Seal JB-17 is a high efficiency static seal, usually used as an alternative to the o-ring and anti-extrusion ring for high pressure…	– High efficiency – Durable under high pressure	– Limited to specific applications – May require specific installation techniques	www.jinbondseal.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
O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory …	O-rings, gaskets, waterproof rings, cushions, custom-made miscellaneous pieces, and other rubber products.	– Cost-effective sealing solutions – Wide range of products available	– Limited to specific applications – Potential for wear over time	www.yuefeng-seal.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

Frequently Asked Questions (FAQs)

1. What types of o-rings can I find in Chinese manufacturers?

You can find a wide variety of o-rings in China, including those made from rubber, silicone, and fluorocarbon materials. Manufacturers often offer custom sizes and shapes to meet specific industry needs, ensuring you can find the right fit for your application.

2. How do I choose a reliable o-ring manufacturer in China?

To choose a reliable manufacturer, look for companies with good reviews, certifications, and a solid track record. Request samples to assess quality, and communicate clearly about your requirements to ensure they can meet your expectations.

3. What is the typical lead time for o-ring production in China?

Lead times can vary, but typically, you can expect production to take anywhere from 2 to 6 weeks, depending on the complexity of your order and the manufacturer’s workload. Always confirm lead times before placing your order to avoid delays.

4. Are there minimum order quantities (MOQs) for o-rings?

Yes, many manufacturers have minimum order quantities, which can range from a few hundred to several thousand pieces. MOQs often depend on the material and size of the o-rings, so it’s best to discuss this with the manufacturer directly.

5. How can I ensure the quality of o-rings from Chinese manufacturers?

To ensure quality, request certifications like ISO or ASTM, and consider third-party inspections before shipment. Communicating your quality standards clearly and asking for samples can also help you assess the manufacturer’s capabilities.