Are you looking for the best o-ring seal factories in China? With so many options available, it can be overwhelming to choose the right one. In this article, we’ll compare some of the top o-ring manufacturers in China, highlighting their strengths, product ranges, and what sets them apart. Let’s dive in and find the perfect fit for your needs.
Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司
Top 10 O-ring Manufacturers and Suppliers in …
Product Details: Dongguan Hongju Silicone Rubber Products Co., Ltd. specializes in manufacturing custom silicone rubber products, including O-rings. The company has over 23 years of experience in design and manufacturing. They use various materials such as silicone, EPDM, fluoro rubber, Viton, Duprene, NBR, and nitrile. Their O-rings are designed for various applications including medical technology, household appliances, consumer electronics, automotive electromechanics, and daily necessities. The products comply with international safety standards like CE, FDA, SGS, REACH, and ROHS Directive requirements. The company offers OEM and ODM services, rapid prototyping within 3-5 work days, and low minimum order quantities (MOQ)[2][3][4].
Pros:
– High-quality products compliant with international safety standards like CE, FDA…
– Over 23 years of design and manufacturing experience.
– Rapid prototyping available within 3-5 work days.
– Low minimum order quantities (MOQ).
– OEM and ODM services available.
– Environmentally friendly materials and processes.
– Advanced equipment including rubber refining machines, vulcanization molding mac…
Cons:
– No specific cons mentioned on the website, but potential delays in production cy…
– Factory inspections may be limited due to epidemic restrictions, with online ins…
China O Rings Manufacturers and Suppliers
FKM O Rings, China NBR O Ring supplier
China O-Ring Kits Suppliers – NNK Oil Seal
Product Details: The Universal Type O-Ring Kit Box 30 size is a professional-quality assortment of O-rings. It includes 382 pieces of O-rings in 30 of the most popular sizes, both in inches and millimeters. The O-rings are made from commercial-grade nitrile butadiene rubber (NBR) and fluoroelastomer (FKM), with hardness levels ranging from 60-90 Shore A. The kit is designed for oil, chemical, and high-pressure resistance, with a temperature range of -40 to 260°C. The O-rings are suitable for various applications including machines, excavators, cars, doors, windows, electric appliances, bearings, and pumps. The kit comes in a practical resealable plastic case and is
certified with ISO9001/TS16949 standards.
Pros:
– High-quality materials (NBR and FKM) providing excellent oil and chemical resist…
– Wide range of sizes (30 sizes) to fit various applications
– Durable and long-lasting with thick wall construction
– UV resistant and suitable for use with liquids such as oil
– Certified with ISO9001/TS16949 standards ensuring high quality
– Practical resealable plastic case for easy storage and transport
Cons:
– Limited to specific materials (NBR and FKM), which may not be suitable for all e…
– No mention of availability for custom sizes or special orders beyond the standar…
– The kit may not include backup rings, which could be necessary for elevated oper…
O-Rings, Rubber Seals – Best China Manufacturer …
Product Details: Savvy manufactures a wide range of o-rings made from various materials including rubber, metal, and other materials. The most commonly used materials are NBR, FKM (Viton), and Silicone. NBR is widely used due to its good properties and low cost. FKM/Viton offers the best comprehensive performance and is used in high-standard sealing equipment. Silicone is often used in medical and food industries due to its FDA compliance, tastelessness, non-toxicity, and resistance to high temperatures and severe cold. The temperature range for these o-rings varies, with Silicone ranging from -70°C to 220°C. The hardness of o-rings is measured in Shore A,
typically ranging from 40 to 90, with 60-70 being the most common. Savvy also produces encapsulated o-rings, backup-rings, x-rings, and custom o-rings with low mold/tooling costs and fast delivery.
Pros:
– High-temperature and FDA food grade compliance for certain materials
– Wide range of materials available (NBR, FKM/Viton, Silicone, etc.)
– Low mold/tooling costs for custom o-rings
– Fast delivery options
– High precision and various sizes and shapes available
– Good wear resistance, oil resistance, and corrosion resistance depending on the…
Cons:
– Low hardness o-rings can be prone to peeling, installation damage, extrusion, an…
– High hardness o-rings can be inconvenient to install
– Unique colors may increase cost and require larger MOQ with longer delivery time…
O Rings Supplier – Hongjie Rubber Seal
Product Details: Hongjie is a professional O-rings manufacturer in China, offering custom O-rings wholesale services since 2000. They provide a one-stop O-rings OEM/ODM solution 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 certified compounds to meet specific market requirements. Hongjie also has a certified laboratory to develop and identify match compounds per customer specifications or ASTM D200 callouts.
Pros:
– One-stop O-rings OEM/ODM solution
– Custom options for design, color, packaging, and logo
– Adherence to various international O-Ring standards
– Most sizes already tooling, reducing additional investment
– Use of well-known raw material suppliers
– Certified compounds to meet specific market requirements
– Certified laboratory for compound development and identification
Cons:
– No specific information on cons available from the provided source
Viton O Ring Suppliers, Manufacturers, Factory
High-quality O-ring Seals Manufacturer-Topa
Product Details: O-rings are round seals that create a mechanical seal between objects to prevent leakage of liquids and gases. They are used in various applications such as gas cylinders, pumps, connectors, and other appliances in industries like agriculture, industry, oil and gas, food, and construction. O-rings are made from different materials including polyurethane, neoprene, silicone, Buna-N, PTFE, etc., each suited for different environments based on factors like temperature, pH, humidity, and pressure.
Pros:
– Stop foreign contaminants
– Maintain lubrication between objects
– Lighter in weight
– Easy to install and remove
– Resistant to abrasion
– Can be adapted to extreme environments
Cons:
– Can leak due to incorrect installation, wrong size, excessive pressure, chemical…
– May have limited lifespan depending on the material; for example, SBR and natura…
Perfluoroelastomer FFKM O ring Manufacturer
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司 | www.oring-seal.com | |||
| Top 10 O-ring Manufacturers and Suppliers in … | Dongguan Hongju Silicone Rubber Products Co., Ltd. specializes in manufacturing custom silicone rubber products, including O-rings. The company has ov… | – High-quality products compliant with international safety standards like CE, FDA… – Over 23 years of design and manufacturing experience. – Rapid… | – No specific cons mentioned on the website, but potential delays in production cy… – Factory inspections may be limited due to epidemic restriction… | hongjusilicone.com |
| China O Rings Manufacturers and Suppliers | www.svks-rubberseal.com | |||
| FKM O Rings, China NBR O Ring supplier | www.o-ringsseals.com | |||
| China O-Ring Kits Suppliers – NNK Oil Seal | The Universal Type O-Ring Kit Box 30 size is a professional-quality assortment of O-rings. It includes 382 pieces of O-rings in 30 of the most popular… | – High-quality materials (NBR and FKM) providing excellent oil and chemical resist… – Wide range of sizes (30 sizes) to fit various applications – D… | – Limited to specific materials (NBR and FKM), which may not be suitable for all e… – No mention of availability for custom sizes or special orders… | www.nokcn-seals.com |
| O-Rings, Rubber Seals – Best China Manufacturer … | Savvy manufactures a wide range of o-rings made from various materials including rubber, metal, and other materials. The most commonly used materials… | – High-temperature and FDA food grade compliance for certain materials – Wide range of materials available (NBR, FKM/Viton, Silicone, etc.) – Low mold… | – Low hardness o-rings can be prone to peeling, installation damage, extrusion, an… – High hardness o-rings can be inconvenient to install – Unique… | savvyrubber.com |
| O Rings Supplier – Hongjie Rubber Seal | Hongjie is a professional O-rings manufacturer in China, offering custom O-rings wholesale services since 2000. They provide a one-stop O-rings OEM/OD… | – One-stop O-rings OEM/ODM solution – Custom options for design, color, packaging, and logo – Adherence to various international O-Ring standards – Mo… | – No specific information on cons available from the provided source | hongjiesealing.com |
| Viton O Ring Suppliers, Manufacturers, Factory | www.seal-china.com | |||
| High-quality O-ring Seals Manufacturer-Topa | O-rings are round seals that create a mechanical seal between objects to prevent leakage of liquids and gases. They are used in various applications s… | – Stop foreign contaminants – Maintain lubrication between objects – Lighter in weight – Easy to install and remove – Resistant to abrasion – Can be a… | – Can leak due to incorrect installation, wrong size, excessive pressure, chemical… – May have limited lifespan depending on the material; for examp… | www.cntopa.com |
| Perfluoroelastomer FFKM O ring Manufacturer | www.jst-seals.com |
Frequently Asked Questions (FAQs)
Frequently Asked Questions About O-Ring Seals Factories in China
What types of materials are commonly used to make o-rings in Chinese factories
Chinese o-ring factories often use a variety of materials, including NBR (Nitrile Butadiene Rubber), FKM (Fluororubber or Viton), Silicone, EPDM (Ethylene Propylene Diene Monomer), and HNBR (Hydrogenated Nitrile Butadiene Rubber). Each material has its own unique properties and is chosen based on the specific application and required performance.
Can Chinese o-ring factories produce custom-sized o-rings
Yes, many Chinese o-ring factories offer customized o-ring production. They have extensive mold collections and can create o-rings in various sizes and shapes according to your specifications. This flexibility is particularly useful for unique or specialized applications.
What are the typical lead times for ordering o-rings from Chinese factories
The lead times for ordering o-rings from Chinese factories can vary depending on the season and the complexity of the order. Generally, peak season lead times are within 15 workdays, while off-season lead times can be up to one month. Some factories also offer expedited delivery options through door-to-door courier services.
Do Chinese o-ring factories adhere to international quality standards
Yes, many Chinese o-ring factories adhere to international quality standards such as ISO 9001, ISO 14001, and IATF 16949. These certifications ensure that the products meet rigorous quality and safety standards, making them reliable for use in various industries.
What industries commonly use o-rings produced by Chinese factories
O-rings produced by Chinese factories are widely used in several industries, including machinery, automobiles, mining, engineering construction, food processing, and medical equipment. Their versatility and reliability make them a crucial component in many different applications.