Quick answer: the top-ranked oil seal brands in China on this list are HILYWILL (Shandong), Sheng Bang (Sichuan) and TCH (Guangdong). 3 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked oil seal brands
How this list is ranked- 01
HILYWILL
海力威HILYWILL
- Oil seals
- O-rings
Registered legal entity on file; email and phone published; operating since 2004.
View profile → - 02
Sheng Bang
盛帮
- Oil seals
- Sealing components
Registered legal entity on file; email and phone published; operating since 2004.
View profile → - 03
TCH
天诚TCH
- Oil seals
Registered legal entity on file; email and phone published; operating since 2001.
View profile →
International oil seal 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.
- Oil seals
- Sealing rings
- 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.
- Oil seals
- Sealing rings
- Thermal Grease
- Pneumatic components
- Mold Release Agents
- Filters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1917.
- INT
NOK-FREUDENBERG NOK-FREUDENBERG恩福
Registered as 恩福商业(上海)有限公司 in 2005.
- Oil seals
- O-rings
- Sealing components
Why it ranks here: registered legal entity on file; email published; operating since 1992.
- INT
SKF SKF斯凯孚
Registered as 斯凯孚(中国)有限公司 in 1997.
- Oil seals
- Sealing rings
- Coupler
- Imported bearings
- Needle roller bearings
- Bearing housings
Why it ranks here: registered legal entity on file; phone published; operating since 1907.
- INT
ElringKlinger ElringKlinger
Registered as 爱尔铃克铃尔汽车部件(中国)有限公司 in 2006.
- Oil seals
Why it ranks here: registered legal entity on file; email and phone published; operating since 1879.
More Oil seals brands and companies
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| CHY昌誉CHY | 莱阳市昌誉密封科技股份有限公司 | lycy.com | 0535-3366261,3366161 |
| Ding Hu鼎湖 | 安徽中鼎控股(集团)股份有限公司 | — | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | HILYWILL海力威HILYWILL | Shandong | 2004 | 青岛海力威新材料科技股份有限公司 |
| 02 | Sheng Bang盛帮 | Sichuan | 2004 | 成都盛帮密封件股份有限公司 |
| 03 | TCH天诚TCH | Guangdong | 2001 | 广东天诚密封件股份有限公司 |
Frequently asked questions
How many oil seals manufacturers and suppliers in China are listed here?
10 companies are listed for oil seals (油封). 3 Chinese manufacturers have full profiles and are ranked; 5 international brands with China operations are listed separately.
Where are China's oil seals manufacturers located?
Among profiled companies: Shanghai (4), Shandong (1), Sichuan (1), Guangdong (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, 9 have an official website and 7 publish an email address.