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 deliver exceptional quality and service. Ready to discover the leading O-ring manufacturers that can elevate your projects? Keep reading to uncover the top contenders and make informed choices for your business!
Quality O Rings Seal & Rubber O Ring factory from China
Product Details: Rubber O Rings, Rubber Seals, Rubber Grommets, Rubber Stoppers, Rubber Gaskets, and Custom Rubber Parts.
Technical Parameters:
– Hardness: 20-90 Shore-A
– Material: NBR, EPDM, Silicone, etc.
Application Scenarios:
– Automotive industry for sealing and shock absorption.
– Medical and food industries requiring strict hygiene standards.
Pros:
– Excellent sealing and protection performance.
– Wide range of applications across multiple industries.
Cons:
– Potential limitations in material choices for specific applications.
– Market competition may affect pricing and availability.
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
Rubber O Ring, O Ring Kits, Nbr O Ring Manufacturer & Supplier – Cixi …
Product Details: Rubber O Rings, O Ring Kits, NBR O Ring Manufacturer & Supplier
Technical Parameters:
– Material: NBR, EPDM, SILICON, FKM, HNBR, SBR, CR, FFKM
– Full automatic production line with optical quality inspection
Application Scenarios:
– Sanitary industry
– Automotive industry
Pros:
– Excellent oil resistance
– Competitive price and on-time shipment guaranteed
Cons:
– Poor low temperature resistance
– Limited to specific applications
Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber
Product Details: High-precision O-rings manufactured by Cixi Haisheng Rubber Products Co., Ltd. (HAISUN) for various industries.
Technical Parameters:
– Registered capital: 15 million
– O-ring tolerance: ±0.01 mm
Application Scenarios:
– Smartphones
– Automotive parts
Pros:
– High production capacity: 50 million O-rings per day
– Customized products with professional certifications
Cons:
– Limited information on specific material properties
– Potential dependency on specific industries
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
– Suitable for sealing 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:
– Starting friction resistance can be large in compression sealing
– Difficult to achieve zero leakage in dynamic seals
China Rubber O Rings, Rubber Seal Ring, Rubber Gaskets Suppliers …
Product Details: Rubber O Rings, Rubber Seal Ring, Rubber Gaskets, Rubber Molded Parts, Rubber Hoses, Rubber Bonded Parts, Seal Kits, Rubber Extrusion Profiles, Rubber Sheet, PTFE Parts, Sponge Rubber Seal, Plastic Parts, Agricultural Irrigation.
Technical Parameters:
– ISO 9001 certified quality control
– ASTM D 2000 material standards
Application Scenarios:
– Industrial sealing applications
– Automotive components
Pros:
– High-quality materials
– Wide range of products available
Cons:
– Limited specific product details
– No detailed technical specifications provided
Quality FKM O Rings & NBR O Ring factory from China
Product Details: Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd.
Technical Parameters:
– Material: NBR / Nitrile Rubber
– Hardness: 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 solution with a wide range of materials
– Easy installation and replacement
Cons:
– Requires regular inspection for wear and damage
– Performance may vary based on material choice
China Dongguan Ruichen Sealing Co., Ltd. company profile
Product Details: Rubber O Rings, Gaskets, Balls, Grommets, Customized Rubber Parts
Technical Parameters:
– O-ring sizes include American standard (AS568), Japanese standard (JIS), and GB…
– Material meets various environmental regulations (ROHS2.0, REACH224, FDA, PAHS,…
Application Scenarios:
– Automotive parts
– Connectors, electronic products, pumps and valves, pneumatic, power tools, medic…
Pros:
– Wide range of products and sizes available
– Compliance with international quality standards
Cons:
– Limited information on specific product performance
– Potential variability in product availability
SOG-HT oil seal-Skeleton oil seal-O Ring-Dingji Seal-Hydraulic oil seal …
Product Details: High-quality oil seals for various industrial applications.
Technical Parameters:
– Medical-grade materials for safety
– Fluoroelastomer and polytetrafluoroethylene materials for high reliability
Application Scenarios:
– Medical Equipment
– Aerospace Industry
– Light Industry
– Heavy Industry
– Automobile / Motorcycle Industry
– New Energy
– AI/IT Industry
Pros:
– Prevents oil leaks
– Ensures efficient operation
Cons:
– Specific material requirements
– Potential for high manufacturing costs
Top 10 O-ring Manufacturers and Suppliers in China (2025)
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, 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
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Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Quality O Rings Seal & Rubber O Ring factory from China | Rubber O Rings, Rubber Seals, Rubber Grommets, Rubber Stoppers, Rubber Gaskets, and Custom Rubber Parts. | – Excellent sealing and protection performance. – Wide range of applications across multiple industries. | – Potential limitations in material choices for specific applications. – Market competition may affect pricing and availability. | www.oringsseal.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 |
| Rubber O Ring, O Ring Kits, Nbr O Ring Manufacturer & Supplier – Cixi … | Rubber O Rings, O Ring Kits, NBR O Ring Manufacturer & Supplier | – Excellent oil resistance – Competitive price and on-time shipment guaranteed | – Poor low temperature resistance – Limited to specific applications | www.lixuoring.com |
| Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber | High-precision O-rings manufactured by Cixi Haisheng Rubber Products Co., Ltd. (HAISUN) for various industries. | – High production capacity: 50 million O-rings per day – Customized products with professional certifications | – Limited information on specific material properties – Potential dependency on specific industries |
| 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 | – Starting friction resistance can be large in compression sealing – Difficult to achieve zero leakage in dynamic seals | savvyrubber.com |
| China Rubber O Rings, Rubber Seal Ring, Rubber Gaskets Suppliers … | Rubber O Rings, Rubber Seal Ring, Rubber Gaskets, Rubber Molded Parts, Rubber Hoses, Rubber Bonded Parts, Seal Kits, Rubber Extrusion Profiles, Rubber… | – High-quality materials – Wide range of products available | – Limited specific product details – No detailed technical specifications provided | www.xmbestseal.com |
| Quality FKM O Rings & NBR O Ring factory from China | Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd. | – Versatile sealing solution with a wide range of materials – Easy installation and replacement | – Requires regular inspection for wear and damage – Performance may vary based on material choice | o-ringsseals.com |
| China Dongguan Ruichen Sealing Co., Ltd. company profile | Rubber O Rings, Gaskets, Balls, Grommets, Customized Rubber Parts | – Wide range of products and sizes available – Compliance with international quality standards | – Limited information on specific product performance – Potential variability in product availability | www.o-ringsseals.com |
| SOG-HT oil seal-Skeleton oil seal-O Ring-Dingji Seal-Hydraulic oil seal … | High-quality oil seals for various industrial applications. | – Prevents oil leaks – Ensures efficient operation | – Specific material requirements – Potential for high manufacturing costs | en.shcsmf.com |
| Top 10 O-ring Manufacturers and Suppliers in China (2025) | 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 customization options – Good customer service and fast delivery | – Minimum order quantities may apply for some manufacturers – Quality may vary between different manufacturers | hongjusilicone.com |
Frequently Asked Questions (FAQs)
What types of O-rings does O Ring Ltd manufacture in China?
O Ring Ltd produces a wide variety of O-rings, including standard sizes and custom designs. They offer O-rings made from various materials such as silicone, nitrile, and fluorocarbon, catering to different applications in industries like automotive, aerospace, and medical.
How can I place an order with O Ring Ltd?
Placing an order is simple! You can visit their website to browse products, or contact their sales team directly via email or phone. They’ll guide you through the ordering process and help you find the right O-rings for your needs.
What is the lead time for O-ring production?
Lead times can vary based on the complexity of your order and current demand. Typically, standard O-rings can be produced within a few days, while custom orders may take longer. It’s best to check with their team for specific timelines.
Are the O-rings manufactured in China compliant with international standards?
Yes, O Ring Ltd ensures that all their O-rings meet international quality standards. They conduct rigorous testing and quality control processes to guarantee that their products are reliable and safe for use in various applications.
What is the warranty policy for O-rings purchased from O Ring Ltd?
O Ring Ltd offers a warranty on their products, ensuring that they are free from defects in materials and workmanship. If you encounter any issues, you can reach out to their customer service for assistance and potential replacements.
