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Are you looking for the best oil seal manufacturers and suppliers in China? You’ve landed on the right page!
China is one of the world’s largest producers and consumers of industrial goods. Oil seals (also known as shaft or rotary seals) are the prime components in the automobile, space, and machinery industries.
Why would you go to the Chinese market for oil seals? The country has a solid manufacturing base that can easily meet the ever-increasing demand, making it home to many oil seal manufacturers.
An Overview of the Oil Seal Industry
Oil seals, mainly used in rotating and reciprocating machinery, are the key components of manufacturing and engineering sectors. They are used to prevent leakage of fluids like oil and grease in rotating machinery, and so are a vital part of aerospace, marine, automotive, construction, and industrial machinery.
Oil seals create a barrier between the moving parts of the machinery. They prevent lubricants from leaking out of the components and block dirt, moisture, and dust particles from entering and damaging the equipment.
They are usually made from elastomeric materials like fluorocarbon rubber, silicone, or polytetrafluoroethylene, which are highly temperature-resistant and durable.
When we talk about the oil seal industry, many factors affect its growth, such as technological advancements, the regulatory environment, and the changing demands of the user industry.
According to recent statistics, the global oil seal market is expanding thanks to increasing industrialization, infrastructure development, etc. It is expected to expand at a CAGR of 6.72%, reaching 1858.96 million by 2028.
Things to Consider When to Choose an Oil Seal Manufacturer
If you belong to the oil seal user industry, you must pay special attention when choosing the manufacturer. Your supplier must be able to cater to your demand, changing needs, and other requirements at all times.
Here are some key considerations that’ll help you.
1. Quality Standards
Double-check that the manufacturer adheres to all international quality standards, such as ISO/TS 16949 and ISO 9001. Also, check other industry-specific certifications that are relevant to you.
2. Provision of Customisation
Since you’re in the market, you’ll know how the requirements keep changing with the changes in technology and overall business requirements.
Ensure that your supplier can tailor the oil seals per your changing requirements. See if they meet your material requirements, specific dimensions, and performance specs for each order.
3. Materials
Remember we talked about how oil seals are made from elastomers? Different types of elastomers offer various levels of chemical resistance, as well as varying temperature tolerance and durability.
Ensure you check if your chosen supplier meets the material requirements specific to your industry.
4. Technical Support
An important thing to remember is that you will need some technical assistance at some point. To ensure smooth sailing, make sure your supplier has the right technical support team which can provide the following:
- Troubleshooting
- Design support
- Seal selection guidance
Such a supplier will not only be able to meet your support needs but also optimize the oil seals’ performance for you.
5. Production Capacity
Like quality, quantity too matters. Make sure your supplier can meet your demand.
Look into the lead times. Whether you’re ordering standard or custom items, make sure there are no delays since many of these orders are time-sensitive.
6. Supply Chain
Another important attribute of selecting the right supplier for the job is examining their logistics. Since you’ll be dealing with time-sensitive requirements, only a supplier with an efficient supply chain management system can optimize the lead times and overcome other challenges concerning logistic support.
7. Cost Vs. Value
You may consider the prices or cost of oil seals but remember that the market is competitive, so it’s unlikely you’ll find monopolistic prices in the industry.
So, place more emphasis on value. If the supplier offers quality and has reliable support staff to meet your needs, go for them. Even if they charge a bit higher, the stakes are good, and you’ll be in less trouble.
Looking for low-cost manufacturers could lead to low-quality oil seals, increasing repair costs and, often, technical downtime.
Top 10 Oil Seal Manufacturers in China
| Position | Brand Name | Year Founded | Location | Employee Size |
|---|---|---|---|---|
| 1 | Hongju Silicone Co., Ltd. | 1999 | Guangdong | 100-500 |
| 2 | NAK Sealing Solutions | 1995 | Jiangsu Province | 1000+ |
| 3 | NOK-Freudenberg Group China | 2005 | Shanghai | 1000+ |
| 4 | Jiang Yin (No. 3) Huaxia Rubber & Plastic Co., Ltd. | 1983 | Jiangsu Province | 500-1000 |
| 5 | Jiangsu Hualian Automobile Parts Co., Ltd. | 1999 | Jiangsu Province | 500-1000 |
| 6 | Chuanghe Fastener Co., Ltd. | 2003 | Zhejiang Province | 500-1000 |
| 7 | Zhejiang Taitan Co., Ltd. | 1986 | Zhejiang Province | 500-1000 |
| 8 | Ningbo Tisun Seals Industries Co. Ltd. | 2003 | Zhejiang Province | 100-200 |
| 9 | Sealsmart Seal Co. Ltd. | 2001 | Shanghai | - |
| 10 | Shanghai Trisun Parts Manufacture Co., Ltd. | - | Shanghai | - |
Here, we have listed the top 10 companies based on the quality of their products, product range, customer and after-sales support, and revenue generated by each.
1. Hongju Silicone Co, Ltd.
Hongju Silicone has over two decades of industrial experience. They specialize in their silicone rubber products, primarily known for producing O-rings. The products are manufactured using top-quality and certified materials, so they are safe and can offer resistance to high temperatures and pressures.
Moreover, the company provides customized products for its clients per their exact specifications and free testing samples as needed. Their products include Viton O-rings, rubber gaskets and seals, silicone and custom O-ring seals, etc.
Pros
- Customizable Solutions: The company provides highly customizable products and services for each client.
- Timely Deliveries: Their supply chain is highly efficient, ensuring timely deliverables.
- Prices: Hongju offers market-competitive prices on all products while being reliable.
Cons
- Limited Specialization: They do not specialize in producing oil seal products. Instead, we offer a wide range of silicone products.
- Material Compatibility: Silicone is not very high-temperature and high-pressure resistant. Currently, the company doesn’t offer rubber or PTFE products to customers who desire such material.
Send your inquiry for prompt quotations!
2. NAK Sealing Technologies Corporation
NAK Sealing Technologies is an ISO-certified manufacturer of oil seals and related products. The company has over forty years of experience and a strong global presence.
Their targeted clients belong to the automotive industry and industrial goods.
Pros
- Quality Products: The company places a strong focus on providing quality products.
- Wide Range of Products: Sealing solutions cater to different industries and clients’ unique needs.
- Reputation and Experience: The company has a solid reputation and long-term experience in the industry.
Cons
- High Prices: Products are priced a bit higher than the market rates.
- Low Customisation: Customization is limited to specialized equipment only.
3. NOK-Freudenberg Group China
NOK-Freudenberg is a joint concern of the Freudenberg Group of Germany and NOK Corporation Japan. The company offers various sealing solutions for different industries, such as oil seals.
The company has many Chinese customers and partners and over 100 years of business terms with them. They provide products for various industries like pharma, chemical, energy, automotive, plant engineering, etc.
Pros
- Reliable Products: Provides high-quality and reliable sealing products.
- Combined Expertise: The company synergizes the expertise of NOK Corporation and Freudenberg Group.
- Extensive Customer Support: It also has a vast network and provides support worldwide.
Cons
- High Prices: They have premium-price products.
- Limited Customisation: The company does not offer extensive customization.
4. Jiang Yin (No. 3) Huaxia Rubber & Plastic Co., Ltd.
Next, we have another Chinese manufacturer, Huaxia Rubber & Plastic. This large manufacturer of rubber seals and gaskets designs products for machinery, automotive, and other relevant industries.
The company has mixed ownership and is a green industry financial enterprise. Its assets are currently worth 8.5 billion yuan, and it also has an AA credit rating.
Pros
- Market Competitive Prices: The company offers competitive prices for sealing products.
- Extensive Product Range: It has a broad portfolio meeting the needs of various industrial products.
- Reputation: Huaxia Rubber & Plastic is an experienced concern and has a long-term standing in the industry.
Cons
- Limited Support: The company provides very little technical support to clients.
- Quality Issues: Product quality is inconsistent.
5. Jiangsu Hualian Automobile Parts Co., Ltd.
Another Chinese concern, Jiangsu Hualian Automobile Parts Co. Ltd., mainly produces automotive seals and gaskets.
Its prime products are oil seals, valve stem seals, and rubber components for engines and transmissions.
Pros
- Quality Products: The company strongly focuses on quality control.
- Competitive Prices: It offers competitive prices for automotive components.
- Specialists: It specializes in the automotive niche and has specific products for the industry.
Cons
- Long Lead Times: They have extended lead times, especially for customized orders.
- Limited Products: Their product range is somewhat limited.
6. Chuanghe Fastener Co., Ltd.
Although the company is known for producing fasteners, Chuanghe also produces a wide range of sealing products, such as oil seals, gaskets, and O-rings.
Founded in 2007, it specializes in CNC parts. The company also meets industry quality standards by being certified by ATF 16949, IS09001, and IS014001.
Pros
- High Customisation: They offer flexible and customizable solutions for clients.
- Experienced Concern: The company has extensive experience producing sealing and fastener products.
- Market Competitive: All their sealing solutions are priced consistent with the market prices.
Cons
- Limited Specialization: They do not specialize in sealing products.
- Quality Issues: The quality control standards are not very stringent
7. Zhejiang Taitan Co., Ltd.
Titan Co. Ltd. provides local and international markets with oil seals and gasket components. It is a leading manufacturer of oil seals, automotive parts, and gaskets in China.
The company is committed to providing clients with automated, digital, high-end textile equipment. It was listed on the Shenzhen Stock Exchange on January 28, 2021.
Pros
- Wide Product Range: It offers a wide range of sealing solutions.
- Technologically Updated: The company focuses strongly on technological advancements and offers innovative solutions.
- Global Presence: They have a strong presence in China and the international market.
Cons
- High Prices: Products are slightly high priced compared to other competitors
- Limited Customisation: They offer few customizable solutions.
8. Ningbo Tisun Seals Industries Co. Ltd.
Ningbo is another well-known oil seal producer in China that specializes in sealing products. They manufacture oil seals, O-rings, and gaskets for machinery, automotive, and hydraulic applications.
Founded in 2003, they have two production facilities In Zhejiang (close to Shanghai). The company focuses on providing excellent customer service to its clients.
Pros
- Customer Service: They provide exemplary customer service and technical support to clients.
- Competitive Prices: All standard and custom seals are sold at market-competitive prices.
- High-Quality Products: Emphasis on providing high-quality solutions using quality manufacturing materials.
Cons
- Low Global Presence: They have a minimal market outside of China.
- Long Lead Times: They have longer lead times for customized solutions.
9. Sealsmart Seal Co. Ltd.
With 15 years of industrial experience, Sealsmart Seal Co Ltd. is a leading manufacturer of rubber products in China. The company uses advanced technology to provide highly innovative and standardized solutions to its clients.
They produce water—and temperature-resistant rubber seals and O-rings. Their clients mainly include pharmaceutical, electrical, automotive, mechanical, and aerospace companies.
Pros
- Technologically Advanced: They use the latest technology to manufacture their products.
- Wide Range of Products: The company offers a wide variety of products for its diverse clientele
- Impressive Catalog: They have an outstanding catalog showcasing all their products.
Cons
- Quality Issues: Their quality control isn’t satisfactory.
- Durability: Since quality is not uniform, the products are not very durable and may be subject to wear and tear over time.
10. Shanghai Trisun Parts Manufacture
Shanghai Trisun Parts Manufacture Co. was founded in 1998. Over the years, it has gained automotive, machinery, and construction clients. They specialize in producing oil seals, O-rings, gaskets, and other sealing products.
The company strongly focuses on customer satisfaction, providing high-quality products and ensuring customer satisfaction at every step.
Pros
- Quality Products: It produces high-quality O-rings, gaskets, and oil seals that meet industry standards.
- Diverse Product Range: They offer a range of sealing products for the automotive, machinery, and construction industries.
- Innovation and Customization: They are highly adaptable and, through innovation and customization, provide tailored solutions for each client.
Cons
- Limited Global Presence: Global presence is restricted, making it less accessible to international clients.
- High Prices: The prices are higher than those of the other competitors.
Final Thoughts
Now, which is the best supplier and wholesaler of oil seals in China? Before picking one, ensure you’ve assessed all important elements, such as brand reputation, compliance, specialization, and customization process.
In the top 10 suppliers listed above, Hongju Silicone has earned an industry-wide reputation due to its quality products and customer ties. It offers all kinds of customized solutions within the given timeframe. So they are highly reliable and hence recommended.
Why Choose Hongju Silicone for Your Projects?
Hongju Silicone offers value for money and is committed to providing quality products. They manufacture environmentally friendly products that also meet Chinese safety standards. Their products include gasket seals, silicone rubber keypads, rubber feet, and silicone swim caps.
Based on the analysis above, Hongju Silicone can provide all oil seal solutions under one roof. So, check out their diverse range of products and get a free quote today!
