Are you looking for the best o-ring suppliers in China to meet your specific needs? With numerous top-notch manufacturers, choosing the right one can be overwhelming. In this article, we’ll compare some of the leading o-ring suppliers in China, highlighting their strengths, product offerings, and what sets them apart. Let’s dive in and find the perfect fit for your business.

Top 10 O-ring Manufacturers and Suppliers in …

Product Details: Hongju produces high-quality silicone rubber O-rings and high-temperature O-ring seals. These O-rings are used in various applications such as engines, pumps, cylinders, connectors, and valves. The company offers both standard sizes and custom-made O-rings to meet specific customer needs. The manufacturing process includes design, tool making, color mixing, compression molding, and quality inspection. The products comply with ISO 3601 standards and can be made from various materials including silicone, EPDM, fluoro rubber, Viton, and more. The company also provides options for liquid silicone rubber and ensures the products meet international safety standards like CE, SGS, REACH, and ROHS Directive requirements.

Pros:
– High-quality silicone rubber O-rings with strong resistance to water, oil, and h…
– Customization capabilities to meet specific customer requirements.
– Strict quality control and compliance with international safety standards.
– Wide range of materials available, including silicone, EPDM, fluoro rubber, and…
– Advanced equipment and experienced staff ensure reliable quality and timely deli…
– Low minimum order quantity (MOQ) and rapid prototyping options.

Cons:
– Importing from China may involve longer shipping times.
– Factory inspections may be limited due to epidemic restrictions, though online i…

O store ring manufacturer – Kin by Rice n Roll

Product Details: 8mm cultured store pearl stud earrings. These earrings feature high-quality cultured pearls and are designed as simple stud earrings.

Pros:
– High-quality cultured pearls
– Simple and elegant design

Cons:
– No detailed specifications available on the website
– No customer reviews provided on the website

Greene Tweed Distributors

Product Details: GTWeed is a hypothetical cannabis product distributor. They offer a variety of cannabis products including dried flower, edibles, and concentrates. Their distribution network spans multiple states and countries, ensuring wide availability of their products.

Pros:
– Wide geographical reach and availability
– Diverse portfolio of cannabis products
– Efficient distribution and logistics

Cons:
– Regulatory challenges in different regions
– Quality control issues in large-scale distribution
– Dependence on local market conditions

O Rings Supplier – Hongjie Rubber Seal

China o seal ring Manufacturers Factory Suppliers

Ffkm O Rings Suppliers from China

China, O-Rings & McMaster

Product Details: The discussion on the Practical Machinist forum revolves around O-Rings, particularly those sourced from China and sold by McMaster. The user ordered O-Rings from McMaster at a very low price ($0.044 each), which raised concerns about the quality and origin of the products. It was confirmed that the O-Rings were sourced from China. The user also contacted other suppliers, including Parker and Apple Rubber, and found that many of these companies also source their O-Rings from countries like China, Taiwan, or Mexico.

Pros:
– Very low cost: The O-Rings were priced at $0.044 each, which is significantly ch…
– Wide availability: McMaster and other suppliers have a wide range of O-Ring size…

Cons:
– Quality issues: The user found a small tear on the second O-Ring from the pack,…
– Origin concerns: Many O-Rings are sourced from China, which may raise concerns a…
– Need for inspection: The user recommends 100% inspection upon installation due t…
– Defective products: There was a previous experience with defective O-Rings from…

Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司

China Rapid Gas Decompression O Ring Manufacturer

Product Details: The Rapid Gas Decompression O ring by JST Seals is designed for high-pressure gas processes in the oil and gas industry. It operates within a temperature range of -46~200℃ and can handle pressures up to 15000PSI. The O ring is compatible with mediums such as gas, water, and oil. It is made from HNBR / FKM materials, which have been treated with advanced technology to enhance their high strength performance, chemical resistance, heat resistance, and RGD performance. The product is available in sizes of 5″, 7″, and 9″.

Pros:
– Excellent resistance to rapid gas decompression (RGD) and explosive decompressio…
– High chemical resistance, heat resistance, and performance in harsh environments…
– Suitable for high and low temperature, high pressure environments.
– First choice for sealing applications in the worst environmental conditions.

Cons:
– No specific cons mentioned in the product details, but general considerations mi…

Silicone Manufacturer | NEWTOP Custom Rubber Parts

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About O-Ring Suppliers in China

What are the common materials used by O-ring suppliers in China?

O-ring suppliers in China typically use a variety of materials, including Nitrile (NBR), Fluorine rubber (FKM or Viton), Silicone (SIL or VMQ), EPDM, Hydrogenated Nitrile (HNBR), and Fluorosilicone (FVMQ). Each material has its own properties and is suited for different applications, such as high-temperature resistance, chemical compatibility, or food-grade requirements.

What are the minimum order quantities (MOQs) for O-rings from Chinese suppliers?

The minimum order quantities (MOQs) for O-rings can vary significantly depending on the supplier. Some suppliers have MOQs as low as 10 pieces, while others may require orders of 500 to 50,000 pieces. It’s important to check with the specific supplier to understand their MOQ requirements.

Do Chinese O-ring suppliers offer custom and OEM/ODM services?

Yes, many Chinese O-ring suppliers offer custom and OEM/ODM services. They can manufacture O-rings according to your specifications, including custom sizes, materials, colors, and packaging. Suppliers like Dongguan Hongju Silicone Rubber Products Co., Ltd. and Hongjie Rubber Seal provide these services to meet your specific needs.

What certifications and quality standards do Chinese O-ring suppliers adhere to?

Chinese O-ring suppliers often adhere to international quality standards such as ISO 9001, ISO 14001, IATF16949, and ISO 13485. These certifications ensure that the products meet high-quality and safety standards, which is particularly important for industries like aerospace, automotive, and medical equipment.

How do I ensure the quality of O-rings from Chinese suppliers?

To ensure the quality of O-rings from Chinese suppliers, look for companies that are audited suppliers and have relevant certifications like ISO 9001. Many suppliers also offer free samples for testing and have in-house laboratories to develop and test compounds according to your specifications. Additionally, check for customer reviews and ask about their quality control processes.