Are you in the market for high-quality O-rings but unsure where to start? With countless manufacturing factories in China, finding the right partner can feel overwhelming. Understanding the top players in the industry is crucial, as it can significantly impact your product’s performance and reliability. By comparing these factories, you can ensure you choose a supplier that meets your quality standards and budget. Ready to discover the best O-ring manufacturers in China? Join us as we explore the top contenders and help you make an informed decision for your business!

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

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured from various 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 military applications

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

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

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

Product Details: Viton O-Rings are synthetic rubber products designed to withstand extreme environments, high pressure, and temperatures, and are resistant to flame, chemicals, oils, and fluids.

Technical Parameters:
– High durability
– Temperature resistance

Application Scenarios:
– Automotive
– Aerospace

Pros:
– Excellent resistance to chemicals
– Customization capabilities

Cons:
– Higher cost compared to standard rubber
– Limited availability in some regions

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 sealing applications
– Dynamic sealing applications

Pros:
– High-quality materials used
– Fast tooling and manufacturing time

Cons:
– Limited information on specific material types
– Potential variability in shipping 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 accuracy 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 material properties
– Potentially higher cost for custom solutions

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:
– High-quality molded rubber products
– Wide range of applications

Cons:
– Limited information on specific product dimensions
– Potential variations in material properties

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

Product Details: O-Rings manufactured by various companies in China, including Haining Qianlang Rubber Products Factory, specializing in custom and standard rubber products.

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

Application Scenarios:
– Used in automotive, aerospace, and medical industries
– Applicable in sealing solutions for various machinery and equipment

Pros:
– High-quality materials used for durability
– Custom solutions available to meet specific customer requirements

Cons:
– Potentially higher costs for custom products
– Limited information on specific performance metrics

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

Product Details: O-rings are circular cross-section sealants used in various industries, including automotive and aerospace, to prevent leakage of liquids or gases.

Technical Parameters:
– Common materials include NBR, FKM, Silicone, EPDM, and HNBR.
– Temperature range typically from -60°C to +260°C.

Application Scenarios:
– Used in static and dynamic sealing applications.
– Applicable in automotive and chemical industries.

Pros:
– Versatile and customizable for specific needs.
– Effective sealing capability for various applications.

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

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

Product Details: O-rings are essential components used as reliable sealants in various industries, made from materials like nitrile rubber, silicone, fluorocarbon, and EPDM rubber.

Technical Parameters:
– Temperature Range: -60°C to 200°C
– Chemical Resistance: Excellent

Application Scenarios:
– Automotive industry
– Aerospace applications

Pros:
– Versatile and reliable sealing solutions
– Customizable options available from manufacturers

Cons:
– Potential for wear and tear over time
– Specific material limitations for certain applications

China O-ring Assortments Manufacturers, OEM/ODM Factory

Product Details: O-ring assortments and various hardware tools including grommet tools, tap reseating tools, and furniture pads.

Technical Parameters:
– Various sizes available
– Material options include rubber and plastic

Application Scenarios:
– DIY projects
– Machine and plumbing repairs

Pros:
– Wide range of products
– Customizable options available

Cons:
– Limited information on specific product specifications
– Quality may vary based on manufacturing

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 (2024) – Hongju	O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured from various materials including nitri…	– Wide range of products and materials – Customization options available	– Minimum order quantities may apply – Quality may vary between manufacturers	hongjusilicone.com
Top 10 Viton O-ring Manufacturers and Suppliers in China(2024)	Viton O-Rings are synthetic rubber products designed to withstand extreme environments, high pressure, and temperatures, and are resistant to flame, c…	– Excellent resistance to chemicals – Customization capabilities	– Higher cost compared to standard rubber – Limited availability in some regions	hongjusilicone.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 used – Fast tooling and manufacturing time	– Limited information on specific material types – Potential variability in shipping times	hongjusilicone.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 material properties – Potentially higher cost for custom solutions
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	– High-quality molded rubber products – Wide range of applications	– Limited information on specific product dimensions – Potential variations in material properties	www.sealsmanufacturer.com
Top 10 O-Rings Manufacturers in China – News – qlrubber.com	O-Rings manufactured by various companies in China, including Haining Qianlang Rubber Products Factory, specializing in custom and standard rubber pro…	– High-quality materials used for durability – Custom solutions available to meet specific customer requirements	– Potentially higher costs for custom products – Limited information on specific performance metrics	www.qlrubber.com
Top 10 O-Ring Manufacturers and Suppliers in China (2024)	O-rings are circular cross-section sealants used in various industries, including automotive and aerospace, to prevent leakage of liquids or gases.	– Versatile and customizable for specific needs. – Effective sealing capability for various applications.	– Minimum order quantities may vary by manufacturer. – Quality can depend on the manufacturer and materials used.	www.rubber-tools.com
Top 10 O-Ring Manufacturers and Suppliers in China (2024)	O-rings are essential components used as reliable sealants in various industries, made from materials like nitrile rubber, silicone, fluorocarbon, and…	– Versatile and reliable sealing solutions – Customizable options available from manufacturers	– Potential for wear and tear over time – Specific material limitations for certain applications	www.rubber-tools.com
China O-ring Assortments Manufacturers, OEM/ODM Factory	O-ring assortments and various hardware tools including grommet tools, tap reseating tools, and furniture pads.	– Wide range of products – Customizable options available	– Limited information on specific product specifications – Quality may vary based on manufacturing	www.cxyouchuang.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 manufacturing factories?

You can find a wide variety of O-rings in China, including those made from rubber, silicone, and other materials. Factories often produce standard sizes as well as custom designs to meet specific industry needs, such as automotive, aerospace, and medical applications.

2. How do I ensure the quality of O-rings from a Chinese factory?

To ensure quality, look for factories with ISO certifications and positive reviews. Request samples before placing large orders and consider third-party inspections to verify that the O-rings meet your specifications and standards.

3. What is the typical lead time for O-ring manufacturing in China?

Lead times can vary based on order size and complexity, but generally, you can expect around 2 to 4 weeks for production. Custom orders may take longer, so it’s best to discuss timelines with the factory upfront.

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

Yes, most factories have minimum order quantities, which can range from a few hundred to several thousand pieces, depending on the material and complexity of the O-ring. Always check with the factory to understand their specific MOQs.

5. How can I communicate effectively with a Chinese O-ring manufacturer?

Clear communication is key! Use simple language and be specific about your requirements. Consider using visual aids like drawings or samples. If language barriers exist, hiring a translator or using translation tools can help ensure your needs are understood.