Are you curious about where the best O-ring manufacturers in China are located? In this article, we’ll explore the top factories known for their quality, innovation, and reliability. Whether you’re in the market for industrial seals or automotive parts, understanding these manufacturers can help you make informed decisions. Let’s dive in!

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 (Viton).

Pros:
– Wide range of applications in various industries
– Customizable products available
– Low minimum order quantities (MOQs) offered by some manufacturers
– High-quality materials used to prevent leakage

Cons:
– Potential variability in quality among different manufacturers
– Limited information on specific product performance metrics

China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …

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

Product Details: O-rings manufactured by various companies in China, including custom production options and a wide range of materials such as silicone, Viton, EPDM, and more.

Pros:
– Custom O-ring production available for various industries.
– Wide range of materials and sizes offered.

Cons:
– Quality may vary between manufacturers.
– Specific product details not provided for all 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.

Pros:
– High precision with tolerance up to 0.01 mm for O-rings.
– Manufactured following national standards with eco-friendly materials.

Cons:
– Limited information on specific applications for each type of O-ring.
– Potentially higher costs associated with high-precision manufacturing.

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.

Pros:
– High efficiency for static sealing
– Suitable for high pressure applications

Cons:
– Limited to static applications
– May require specific installation conditions

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom O-rings and high-temperature O-ring seals made from certified materials, suitable for various applications including engines, pumps, and valves. Available in standard sizes and custom-made options.

Pros:
– High-quality silicone rubber materials used
– Wide selection of stock items at wholesale prices
– Fast tooling and manufacturing times
– Free samples available for testing

Cons:
– Limited information on specific material options
– Potential shipping delays depending on location

Top O Rings Manufacturers in China – Custom Solutions | Suzhou Baoshida …

Product Details: Suzhou Baoshida Rubber specializes in manufacturing O-rings using high-quality materials such as NBR, FKM, and Silicone. The company offers customization options to meet diverse industry needs and ensures quality through rigorous testing and advanced manufacturing technology.

Pros:
– High-quality materials and rigorous testing ensure superior performance.
– Customization options available for various applications.

Cons:
– Lead times may vary depending on order quantity and customization.
– Potential communication challenges with international buyers.

Viton O Ring Suppliers, Manufacturers, Factory – Kaxite Sealing

Product Details: Viton O Ring has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is limited to approximately -26°C (-15°F) for static applications and between -15°C and -18°C (5°F and 0°F) under dynamic conditions. Model: KXT 1710.

Pros:
– Excellent resistance to high temperatures
– Long service life
– Good wear resistance
– Low gas permeability
– Resists aggressive fluids

Cons:
– Low temperature resistance is not favorable
– Limited to specific applications

Silicone O-Ring – Yoson Seals

Product Details: Silicone O-rings are used for waterproof sealing in various applications, including automotive, medical devices, and food processing. They are available in different hardness levels (30-80 durometers, Shore A) and can withstand temperatures from -60°C to 232°C (-75°F to 450°F).

Pros:
– Excellent sealing performance and waterproof capabilities.
– Good resistance to high temperatures and aging.

Cons:
– Not recommended for use with certain solvents and acids.
– May not perform well in extreme chemical environments.

O Rings Manufacturer | O Rings Supplier – Hongjie Rubber Seal

Product Details: Wholesale O Rings in Bulk from Hongjie, a professional O rings manufacturer in China, offering custom options and factory direct prices.

Pros:
– One-stop O rings OEM/ODM solution.
– Various international O-Ring standards with most sizes already tooling.

Cons:
– Limited information on specific product performance.
– No detailed pricing information provided.

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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 applications in various industries – Customizable products available – Low minimum order quantities (MOQs) offered by some manufacture…	– Potential variability in quality among different manufacturers – Limited information on specific product performance metrics	hongjusilicone.com
China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …				www.sealsmanufacturer.com
Top 10 O-Rings Manufacturers in China – News – qlrubber.com	O-rings manufactured by various companies in China, including custom production options and a wide range of materials such as silicone, Viton, EPDM, a…	– Custom O-ring production available for various industries. – Wide range of materials and sizes offered.	– Quality may vary between manufacturers. – Specific product details not provided for all 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 with tolerance up to 0.01 mm for O-rings. – Manufactured following national standards with eco-friendly materials.	– Limited information on specific applications for each type of O-ring. – Potentially higher costs associated with high-precision manufacturing.
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 for static sealing – Suitable for high pressure applications	– Limited to static applications – May require specific installation conditions	www.jinbondseal.com
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom O-rings and high-temperature O-ring seals made from certified materials, suitable for various applications including engines, pumps, and valves…	– High-quality silicone rubber materials used – Wide selection of stock items at wholesale prices – Fast tooling and manufacturing times – Free sample…	– Limited information on specific material options – Potential shipping delays depending on location	hongjusilicone.com
Top O Rings Manufacturers in China – Custom Solutions	Suzhou Baoshida …	Suzhou Baoshida Rubber specializes in manufacturing O-rings using high-quality materials such as NBR, FKM, and Silicone. The company offers customizat…	– High-quality materials and rigorous testing ensure superior performance. – Customization options available for various applications.	– Lead times may vary depending on order quantity and customization. – Potential communication challenges with international buyers.
Viton O Ring Suppliers, Manufacturers, Factory – Kaxite Sealing	Viton O Ring has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic…	– Excellent resistance to high temperatures – Long service life – Good wear resistance – Low gas permeability – Resists aggressive fluids	– Low temperature resistance is not favorable – Limited to specific applications	www.seal-china.com
Silicone O-Ring – Yoson Seals	Silicone O-rings are used for waterproof sealing in various applications, including automotive, medical devices, and food processing. They are availab…	– Excellent sealing performance and waterproof capabilities. – Good resistance to high temperatures and aging.	– Not recommended for use with certain solvents and acids. – May not perform well in extreme chemical environments.	www.yosonseals.com
O Rings Manufacturer	O Rings Supplier – Hongjie Rubber Seal	Wholesale O Rings in Bulk from Hongjie, a professional O rings manufacturer in China, offering custom options and factory direct prices.	– One-stop O rings OEM/ODM solution. – Various international O-Ring standards with most sizes already tooling.	– Limited information on specific product performance. – No detailed pricing information provided.

Frequently Asked Questions (FAQs)

What types of O-rings can I find in Chinese manufacturing factories?

You can find a wide variety of O-rings in Chinese manufacturing factories, including standard sizes, custom designs, and different materials like rubber, silicone, and fluorocarbon. These factories often cater to various industries, ensuring you can get the specific O-ring you need for your application.

How do I choose a reliable O-ring manufacturer in China?

To choose a reliable O-ring manufacturer, look for companies with good reviews, certifications, and a solid track record. Request samples to assess quality, and communicate clearly about your requirements. Visiting the factory, if possible, can also help you gauge their capabilities.

What is the typical lead time for O-ring production in China?

The typical lead time for O-ring production in China can range from 2 to 6 weeks, depending on the complexity of your order and the manufacturer’s workload. It’s always a good idea to discuss timelines upfront to ensure your needs are met.

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

Yes, many manufacturers in China have minimum order quantities (MOQs) for O-rings. MOQs can vary widely based on the type of O-ring and the manufacturer, so it’s essential to inquire about these details when placing your order.

What quality control measures do O-ring manufacturers in China implement?

O-ring manufacturers in China typically implement several quality control measures, including material inspections, in-process checks, and final product testing. Many factories also adhere to international quality standards, ensuring that the O-rings meet your specifications and performance requirements.