Are you curious about where to find the best O-ring factories in China? Understanding the top players in this industry is crucial for making informed decisions. Discovering the right factory can save you time and money. Dive in to explore your options and find the perfect fit for your needs!
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy
Product Details: High-quality rubber O-rings manufactured by Savvy, available in various sizes and materials, including NBR, FKM, and Silicone.
Technical Parameters:
– Sizes: ID, OD, CS
– Hardness: Shore A 50-90
Application Scenarios:
– Hydraulic systems
– Pneumatic transmission systems
Pros:
– Cost-effective and easy to produce
– Versatile and reliable sealing solutions
Cons:
– Prolonged compression can cause permanent deformation
– Extreme temperatures may degrade performance
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 available
Cons:
– Limited information on specific applications
– Potentially higher cost for custom solutions
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 from various 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 industry
Pros:
– Wide range of products
– Customization available
Cons:
– Potentially high cost for small orders
– Quality may vary by manufacturer
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 performance
– Potential variations in material properties
O-Rings Manufacturers and Suppliers China – O-Rings Factory – Qianlang
Product Details: O-Rings are rubber seals used in various applications to prevent leakage of fluids or gases.
Technical Parameters:
– High Temperature Resistance
– Chemical Resistance
Application Scenarios:
– Automotive industry
– Industrial machinery
Pros:
– Excellent chemical resistance
– Good temperature resistance
Cons:
– Not suitable for all chemicals
– Limited low temperature resistance
Custom O-ring Manufacturer and Wholesale Supplier – Hongju
Product Details: Custom O-rings and high-temperature O-ring seals manufactured from certified materials.
Technical Parameters:
– Hardness tolerance: ±3-5A
– Dimensions and tolerances follow ISO3601 standards
Application Scenarios:
– Sealing for engines
– Sealing for pumps and valves
Pros:
– Inexpensive and effective sealing solution
– Wide selection of stock items and customization capabilities
Cons:
– Limited information on specific material properties
– Potential variability in manufacturing time based on quantity
O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory …
Product Details: O Rings, Gasket Rings, Sealing Rings, Custom Rubber Parts, Rubber Bellows, Rubber Waterproof Rings, PTFE Seals
Technical Parameters:
– Various sizes and hardness options
– Material types including nitrile, silicone, and PTFE
Application Scenarios:
– Automotive sealing applications
– Industrial machinery and equipment
Pros:
– Cost-effective sealing solutions
– Wide range of products available
Cons:
– Limited information on specific product performance
– Potential variability in material quality
O-rings Manufacturers – China O-rings Factory & Suppliers
Product Details: O-rings are circular rubber rings with a circular cross-section, primarily used for preventing leakage of liquid and gas media under static conditions. They can also serve as dynamic sealing elements for axial reciprocating motion and low-speed rotational motion.
Technical Parameters:
– Available in various materials to suit different conditions
– Effective sealing element for both static and dynamic applications
Application Scenarios:
– Used in mechanical components to prevent leakage
– Applicable in various industries requiring sealing solutions
Pros:
– Cost-effective sealing solution
– Bidirectional sealing capability
Cons:
– Limited by speed and pressure at the sealing point
– Initial compression required for sealing effectiveness
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 due to their resistance to extreme temperatures, chemicals, and environmental factors.
Technical Parameters:
– Premium-grade materials
– Resistance to extreme temperatures and chemicals
Application Scenarios:
– Automotive
– Aerospace
– Oil and gas
– Pharmaceuticals
Pros:
– High-quality sealing solution
– Competitive pricing and prompt delivery
Cons:
– Limited information on specific sizes
– Potential availability issues
FFKM O Rings – Yoson Seals
Product Details: Yoson Perfluoroelastomer FFKM O-Rings with excellent chemical resistance and high-temperature stability.
Technical Parameters:
– Long-term working temperature: -39~288 degrees Celsius, short-term up to 315 deg…
– Compression deformation rate at 330℃ is below 50%.
Application Scenarios:
– Used in the semiconductor industry, aerospace, aviation, chemical, petroleum, an…
– Suitable for pumps, mechanical seals, safety valves, oil & gas pipeline analysis…
Pros:
– Exceptional chemical resistance and heat resistance.
– Long service life and reduced maintenance costs.
Cons:
– Poor low-temperature resistance, lowest temperature -20℃.
– High cost compared to other rubber types.
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Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy | High-quality rubber O-rings manufactured by Savvy, available in various sizes and materials, including NBR, FKM, and Silicone. | – Cost-effective and easy to produce – Versatile and reliable sealing solutions | – Prolonged compression can cause permanent deformation – Extreme temperatures may degrade performance | savvyrubber.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-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 from various materials including nitri… | – Wide range of products – Customization available | – Potentially high cost for small orders – Quality may vary by manufacturer | hongjusilicone.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 | – High-quality molded rubber products – Wide range of applications | – Limited information on specific product performance – Potential variations in material properties | www.sealsmanufacturer.com |
| O-Rings Manufacturers and Suppliers China – O-Rings Factory – Qianlang | O-Rings are rubber seals used in various applications to prevent leakage of fluids or gases. | – Excellent chemical resistance – Good temperature resistance | – Not suitable for all chemicals – Limited low temperature resistance | www.qlrubber.com |
| Custom O-ring Manufacturer and Wholesale Supplier – Hongju | Custom O-rings and high-temperature O-ring seals manufactured from certified materials. | – Inexpensive and effective sealing solution – Wide selection of stock items and customization capabilities | – Limited information on specific material properties – Potential variability in manufacturing time based on quantity | hongjusilicone.com |
| O Rings, Gasket Rings, Sealing Ring Suppliers, Manufacturers, Factory … | O Rings, Gasket Rings, Sealing Rings, Custom Rubber Parts, Rubber Bellows, Rubber Waterproof Rings, PTFE Seals | – Cost-effective sealing solutions – Wide range of products available | – Limited information on specific product performance – Potential variability in material quality | www.yuefeng-seal.com |
| O-rings Manufacturers – China O-rings Factory & Suppliers | O-rings are circular rubber rings with a circular cross-section, primarily used for preventing leakage of liquid and gas media under static conditions… | – Cost-effective sealing solution – Bidirectional sealing capability | – Limited by speed and pressure at the sealing point – Initial compression required for sealing effectiveness | www.bodiseals.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 due to their resistance to extreme temperatu… | – High-quality sealing solution – Competitive pricing and prompt delivery | – Limited information on specific sizes – Potential availability issues |
| FFKM O Rings – Yoson Seals | Yoson Perfluoroelastomer FFKM O-Rings with excellent chemical resistance and high-temperature stability. | – Exceptional chemical resistance and heat resistance. – Long service life and reduced maintenance costs. | – Poor low-temperature resistance, lowest temperature -20℃. – High cost compared to other rubber types. | www.yosonseals.com |
Frequently Asked Questions (FAQs)
What are the benefits of sourcing from China factories?
Sourcing from China factories offers several advantages, including lower production costs, access to a wide range of materials, and the ability to scale production quickly. Additionally, many factories have advanced technology and skilled labor, which can enhance product quality and innovation.
How do I find reliable factories in China?
To find reliable factories, you can use online platforms like Alibaba or Global Sources, attend trade shows, or seek recommendations from industry contacts. It’s essential to conduct thorough research, check reviews, and request samples before making a commitment.
What should I consider when negotiating prices?
When negotiating prices, consider factors like order volume, payment terms, and delivery timelines. Be clear about your budget and expectations, and don’t hesitate to ask for discounts on larger orders. Building a good relationship with the supplier can also lead to better pricing.
How can I ensure product quality when sourcing?
To ensure product quality, request samples before placing a large order, conduct factory audits, and establish clear quality standards in your contract. You can also hire third-party inspection services to check the products before shipment.
What are the common challenges when sourcing from China?
Common challenges include language barriers, cultural differences, and varying quality standards. Additionally, navigating shipping logistics and customs regulations can be complex. It’s important to stay informed and maintain open communication with your suppliers to overcome these challenges.