Are you looking for the best o-ring manufacturers in China? With so many options available, choosing the right one can be overwhelming. In this article, we’ll compare the top o-ring factories in China, highlighting their strengths, product ranges, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

O-Rings | China – Products | Parker NA

Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司

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

Perfluoroelastomer FFKM O ring Manufacturer

FKM O Rings, China NBR O Ring supplier

China O Rings Manufacturers and Suppliers

O-Rings, Rubber Seals – Best China Manufacturer & …

Product Details: Savvy manufactures a wide range of o-rings made from various materials including NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, Aflas, and more. These o-rings are available in standard and custom sizes, with the ability to produce encapsulated o-rings, backup-rings, x-rings, etc. The temperature range for these o-rings varies by material, such as -70°C to 220°C for Silicone. The hardness is typically measured in Shore A, with common hardness levels being 60 to 90. Savvy also offers o-rings in various colors, with the option for custom colors. The company has thousands of molds and can arrange for fast delivery via door-to-door

courier.

Pros:
– Good property and low cost, especially for NBR which is used in about 50% of o-r…
– FKM (Viton) offers the best comprehensive performance and is widely used in high…
– Silicone o-rings are tasteless, non-toxic, and resistant to high temperatures an…
– Custom o-rings can be made at a very low mold/tooling cost with fast delivery.
– Available in various colors and materials to suit different applications.

Cons:
– Low hardness o-rings are prone to peeling, installation damage, extrusion, and p…
– High hardness o-rings can be inconvenient to install.
– Unique or custom colors may increase the cost and require a larger MOQ with a lo…

Custom HNBR O-Ring Manufacturer in China

O Rings Manufacturer | O Rings Supplier – Hongjie Rubber Seal

Product Details: Hongjie Sealing Technology offers a wide range of O-ring products, including custom O-rings, rubber O-rings, and silicone rubber O-rings. They provide one-stop O rings OEM/ODM solutions with options for custom design, color, packaging, and logo. The company adheres to various international O-Ring standards, and most sizes are already tooling, eliminating the need for additional investment. They use well-known raw material suppliers to guarantee product quality and have certificated compounds to meet specific market requirements. Their laboratory is equipped to develop and identify compounds per customer specifications or ASTM D200 callouts.

Pros:
– One-stop O rings OEM/ODM solution
– Custom options: design, color, packaging, logo
– Various international O-Ring standards
– Most sizes already tooling, no additional investment needed
– Suitable and well-known raw material suppliers
– Certificated compounds to meet specific markets
– Certificated laboratory for compound development and identification

Cons:
– No specific information on pricing or cost-effectiveness provided on the page
– No detailed information on delivery times or shipping logistics

Viton O Ring Suppliers, Manufacturers, Factory

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About O-Ring Factories in China

What types of materials are commonly used to make o-rings in Chinese factories?

Chinese o-ring factories typically produce o-rings from a variety of materials, including NBR (Nitrile Butadiene Rubber), FKM (Viton), Silicone, EPDM, and HNBR. Each material has its own unique properties and is chosen based on the specific application and required performance, such as resistance to chemicals, temperature, or wear.

Can I customize the size and design of o-rings from Chinese manufacturers?

Yes, you can customize the size and design of o-rings from Chinese manufacturers. Many factories, like Savvy and Hongjie, offer custom o-ring manufacturing services where they can produce o-rings according to your specific dimensions, designs, and material requirements. This flexibility is particularly useful for unique or specialized applications.

What are the common standards for o-ring sizes in Chinese factories?

Chinese o-ring factories often adhere to various international standards such as AS568 (USA), BS1516 (UK), DIN 3771 (Germany), JIS B 2401 (Japan), ISO 3601 (International), and GB 3452.1 (China). These standards ensure that the o-rings meet specific dimensional and quality criteria, making them compatible with a wide range of applications.

How do I ensure the quality of o-rings from Chinese manufacturers?

To ensure the quality of o-rings from Chinese manufacturers, look for factories that have certifications such as ISO 9001, ISO 14001, and ISO 13485. These certifications indicate that the factory follows strict quality management and environmental standards. Additionally, check if the factory has a certified laboratory to develop and test the materials according to your specifications.

Can Chinese o-ring factories provide o-rings in different colors and packaging options?

Yes, many Chinese o-ring factories offer o-rings in various colors and packaging options. You can request specific colors using standard RAL or Pantone color numbers. However, choosing less common colors may increase the cost and require a larger minimum order quantity (MOQ) with a longer delivery time. Custom packaging and logo options are also available to meet your branding needs.