Are you curious about where to find the best O-ring 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 high-quality products that meet your needs. Imagine the peace of mind that comes from partnering with a reliable supplier who delivers excellence every time. Ready to discover the top contenders in the industry? Let’s dive in and explore the best options available to you!

O-ring, Rubber O-ring, AS568, Orings, Rubber Parts, Injection Molded …

Product Details: O-ring, Rubber O-ring, AS568, Custom Molded Parts, Rubber Extrusion Parts, TPE, TPR Parts, HDPE, LDPE Parts, PVC, ABS, Acrylic, Nylon Parts

Technical Parameters:
– Material: Silicone, FKM, NBR, EPDM, HNBR
– Standards: ASTM D2000

Application Scenarios:
– Automobile
– Medical

Pros:
– High precision machining
– Diverse material options

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

Product – oringinc.com

Product Details: O-rings and rubber extrusion parts manufactured by Sunring Industry Inc.

Technical Parameters:
– Material: Silicone, FKM, NBR, EPDM, HNBR
– Various sizes and shapes available

Application Scenarios:
– Sealing applications in various industries
– Automotive and machinery components

Pros:
– High quality materials
– Customizable options available

Cons:
– Limited information on specific technical parameters
– Potentially higher cost for custom parts

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:
– 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
– Suitable for sealing applications in various machinery and equipment

Pros:
– High-quality materials used for durability
– Custom production options available to meet specific needs

Cons:
– Potentially higher costs for custom products
– Quality may vary between manufacturers

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 product limitations
– 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:
– Potential limitations in material options
– Quality may vary by manufacturer

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 varies by material; typically from -60°C to +260°C.

Application Scenarios:
– Used in automotive and aerospace industries for sealing applications.
– Applicable in both static and dynamic environments.

Pros:
– Versatile and effective for various sealing needs.
– Custom sizes and shapes can be produced by many manufacturers.

Cons:
– Quality can vary between manufacturers.
– Minimum order quantities may be high for some suppliers.

Top 60 O-Ring Suppliers in China (2025) | ensun

Product Details: O-Rings manufactured by various suppliers in China, designed for sealing applications across multiple industries.

Technical Parameters:
– Material: EPDM, NBR, CR, FKM, Silicone, SBR, IIR, NR
– Sizes: Various sizes available, including standard and customizable options.

Application Scenarios:
– Used in machinery and automotive applications for sealing purposes.
– Applicable in aerospace and healthcare industries for reliable sealing.

Pros:
– High-quality materials ensuring durability and performance.
– Wide range of sizes and materials available for different applications.

Cons:
– Potential fluctuations in raw material prices affecting cost.
– Compliance with local and international standards may be challenging.

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

Home – OringsUSA

Product Details: O-Rings, Inc. is a leading supplier of quality O-Rings, offering a wide range of materials and specifications for various applications.

Technical Parameters:
– Made in USA
– Available in multiple materials including EPDM, FKM, HNBR, and more

Application Scenarios:
– Automotive industry
– Medical devices

Pros:
– High quality and reliability
– Wide selection of materials and sizes

Cons:
– Potentially higher cost compared to generic alternatives
– Limited availability in some regions

Quality O Rings Seal & Rubber O Ring factory from China

Product Details: Quality O Rings Seal & Rubber O Ring manufactured by Splendid Rubber Products (Shenzhen) Co., Ltd.

Technical Parameters:
– Hardness: 20-90 Shore-A
– Material: NBR, EPDM, Silicone, etc.

Application Scenarios:
– Automotive sealing applications
– Medical device components

Pros:
– Excellent sealing performance
– Wide range of material options

Cons:
– Limited to specific temperature ranges
– Potential for wear over time

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Comparison Table

Company	Product Details	Pros	Cons	Website
O-ring, Rubber O-ring, AS568, Orings, Rubber Parts, Injection Molded …	O-ring, Rubber O-ring, AS568, Custom Molded Parts, Rubber Extrusion Parts, TPE, TPR Parts, HDPE, LDPE Parts, PVC, ABS, Acrylic, Nylon Parts	– High precision machining – Diverse material options	– Limited information on specific product dimensions – Potential variability in material properties	www.oringinc.com
Product – oringinc.com	O-rings and rubber extrusion parts manufactured by Sunring Industry Inc.	– High quality materials – Customizable options available	– Limited information on specific technical parameters – Potentially higher cost for custom parts	www.oringinc.com
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.	– High-quality materials used for durability – Custom production options available to meet specific needs	– Potentially higher costs for custom products – Quality may vary between manufacturers	www.qlrubber.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 product limitations – 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	– Potential limitations in material options – Quality may vary by manufacturer	hongjusilicone.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 effective for various sealing needs. – Custom sizes and shapes can be produced by many manufacturers.	– Quality can vary between manufacturers. – Minimum order quantities may be high for some suppliers.	www.rubber-tools.com
Top 60 O-Ring Suppliers in China (2025)	ensun	O-Rings manufactured by various suppliers in China, designed for sealing applications across multiple industries.	– High-quality materials ensuring durability and performance. – Wide range of sizes and materials available for different applications.	– Potential fluctuations in raw material prices affecting cost. – Compliance with local and international standards may be challenging.
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
Home – OringsUSA	O-Rings, Inc. is a leading supplier of quality O-Rings, offering a wide range of materials and specifications for various applications.	– High quality and reliability – Wide selection of materials and sizes	– Potentially higher cost compared to generic alternatives – Limited availability in some regions	www.oringsusa.com
Quality O Rings Seal & Rubber O Ring factory from China	Quality O Rings Seal & Rubber O Ring manufactured by Splendid Rubber Products (Shenzhen) Co., Ltd.	– Excellent sealing performance – Wide range of material options	– Limited to specific temperature ranges – Potential for wear over time	www.oringsseal.com

Frequently Asked Questions (FAQs)

What types of products does Oring Inc manufacture in its factories in China?

Oring Inc specializes in a variety of products, including industrial connectors, networking devices, and embedded systems. Their factories focus on high-quality manufacturing processes to ensure reliability and performance in various applications.

How does Oring Inc ensure product quality in its Chinese factories?

Oring Inc implements strict quality control measures throughout the manufacturing process. This includes regular inspections, adherence to international standards, and continuous training for staff to maintain high-quality production.

What are the advantages of sourcing from Oring Inc’s factories in China?

Sourcing from Oring Inc’s factories in China offers competitive pricing, access to advanced manufacturing technologies, and a wide range of products. Additionally, their efficient supply chain helps ensure timely delivery.

Can I customize products manufactured by Oring Inc in China?

Yes, Oring Inc offers customization options for many of their products. You can discuss your specific requirements with their team to create tailored solutions that meet your needs.

What is the lead time for orders from Oring Inc’s factories in China?

Lead times can vary based on the product and order size, but Oring Inc typically provides estimated delivery times during the ordering process. They strive to meet deadlines while ensuring product quality.