Quick answer: the top-ranked sealing strip brands in China on this list are Haida (Jiangsu), He He Jian Zhu Wu Jin (Guangdong) and Chuang You (Jiangsu). 9 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked sealing strip brands
How this list is ranked- 01
Haida
海达Haida
- Sealing strips
- Rubber Products
- Rubber waterstops
Registered legal entity on file; phone published; operating since 1970.
View profile → - 02
He He Jian Zhu Wu Jin
合和建筑五金
- Sealing strips
- Door and window hardware
- Block and tackle
Registered legal entity on file; phone published; operating since 1981.
View profile → - 03
Chuang You
窗友
- Sealing strips
Registered legal entity on file; email and phone published; operating since 1988.
View profile →
- 04
FENFA 奋发FENFA
Registered as 江西奋发科技有限公司 in 2011.
- Sealing strips
Why it ranks here: registered legal entity on file; email and phone published; operating since 1983.
- 05
Rui Yi De 瑞易得
Registered as 沈阳瑞得塑胶制造有限公司 in 1998.
- Sealing strips
Why it ranks here: registered legal entity on file; email and phone published; operating since 1996.
- 06
WINGKAY 荣基WINGKAY
Registered as 佛山市顺德区荣基塑料制品有限公司 in 1999.
- Sealing strips
Why it ranks here: registered legal entity on file; email and phone published; operating since 1990.
- 07
Xin An Dong 新安东
Registered as 广东坚朗五金制品股份有限公司 in 2003.
- Sealing strips
Why it ranks here: registered legal entity on file; email and phone published; operating since 2003.
- 08
Lian He Qiang 联和强
Registered as 中山联和强橡塑科技有限公司 in 2017.
- Sealing strips
Why it ranks here: registered legal entity on file; email published; operating since 1990.
- 09
Liniz 凌志新材Liniz
Registered as 浙江凌志新材料有限公司 in 2006.
- Sealing strips
Why it ranks here: registered legal entity on file; email published; operating since 1997.
More Sealing strips brands and companies
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| YATAI亚泰YATAI | 威县亚泰密封件有限公司 | zg-yt.cn | 13343199966 |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Haida海达Haida | Jiangsu | 1970 | 江阴海达橡塑股份有限公司 |
| 02 | He He Jian Zhu Wu Jin合和建筑五金 | Guangdong | 1981 | 广东合和建筑五金制品有限公司 |
| 03 | Chuang You窗友 | Jiangsu | 1988 | 常州窗友塑胶有限公司 |
| 04 | FENFA奋发FENFA | Jiangxi | 1983 | 江西奋发科技有限公司 |
| 05 | Rui Yi De瑞易得 | Liaoning | 1996 | 沈阳瑞得塑胶制造有限公司 |
| 06 | WINGKAY荣基WINGKAY | Guangdong | 1990 | 佛山市顺德区荣基塑料制品有限公司 |
| 07 | Xin An Dong新安东 | Guangdong | 2003 | 广东坚朗五金制品股份有限公司 |
| 08 | Lian He Qiang联和强 | Guangdong | 1990 | 中山联和强橡塑科技有限公司 |
| 09 | Liniz凌志新材Liniz | Zhejiang | 1997 | 浙江凌志新材料有限公司 |
Frequently asked questions
How many sealing strips manufacturers and suppliers in China are listed here?
10 companies are listed for sealing strips (密封条). 9 Chinese manufacturers have full profiles and are ranked.
Where are China's sealing strips manufacturers located?
Among profiled companies: Guangdong (4), Jiangsu (2), Jiangxi (1), Liaoning (1), Zhejiang (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, 10 have an official website and 7 publish an email address.