Quick answer: the top-ranked sealing ring brand in China on this list is Wei Wan Mi Feng (Shanghai). 1 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked sealing ring brands
How this list is ranked- 01
Wei Wan Mi Feng 唯万密封
Registered as 上海唯万密封科技股份有限公司 in 2008.
- Sealing rings
- Sealing components
Why it ranks here: registered legal entity on file; email and phone published; operating since 2008.
International sealing ring brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Garlock Garlock卡勒克
Registered as 卡勒克密封技术(上海)有限公司 in 2007.
- Sealing rings
- Oil seals
- Spacer
- Spiral wound gaskets
- Gland packing
- Sealing components
Why it ranks here: registered legal entity on file; email and phone published; operating since 1887.
- INT
Parker Parker派克
Registered as 派克汉尼汾流体传动产品(上海)有限公司 in 1996.
- Sealing rings
- Thermal Grease
- Pneumatic components
- Mold Release Agents
- Filters
- Nitrogen generators
Why it ranks here: registered legal entity on file; email and phone published; operating since 1917.
- INT
FREUDENBERG FREUDENBERG科德宝
Registered as 科德宝企业管理(上海)有限公司 in 2007.
- Sealing rings
- Interlining fabrics
- Silicone Tubes
Why it ranks here: registered legal entity on file; phone published; operating since 1849.
- INT
SKF SKF斯凯孚
Registered as 斯凯孚(中国)有限公司 in 1997.
- Sealing rings
- Coupler
- Imported bearings
- Needle roller bearings
- Oil seals
- Bearing housings
Why it ranks here: registered legal entity on file; phone published; operating since 1907.
- INT
TRELLEBORG TRELLEBORG特瑞堡
Registered as 特瑞堡密封系统(中国)有限公司 in 2005.
- Sealing rings
- Rubber waterstops
- O-rings
- Sealing components
- Silicone Tubes
Why it ranks here: registered legal entity on file; phone published; operating since 1905.
- INT
Hallite Hallite
Registered as 赫莱特密封科技(上海)有限公司 in 2005.
- Sealing rings
- Sealing components
Why it ranks here: registered legal entity on file; email and phone published; operating since 1903.
- INT
UTEC 优泰科UTEC
Registered as 优泰科(苏州)密封技术有限公司 in 2008.
- Sealing rings
- Sealing components
Why it ranks here: registered legal entity on file; email and phone published; operating since 2008.
More Sealing rings brands and companies
| Brand | Registered company | Website |
|---|---|---|
| Ding Hu鼎湖 | 安徽中鼎控股(集团)股份有限公司 | — |
| NOKNOK | NOK株式会社 | — |
Frequently asked questions
How many sealing rings manufacturers and suppliers in China are listed here?
10 companies are listed for sealing rings (密封圈). 1 Chinese manufacturers have full profiles and are ranked; 7 international brands with China operations are listed separately.
Where are China's sealing rings manufacturers located?
Among profiled companies: Shanghai (6), Beijing (1), Jiangsu (1).
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 8 have an official website and 5 publish an email address.