Quick answer: the top-ranked potting compound brands in China on this list are BAIYUN (Guangdong), Gui Bao (Sichuan) and Hui Tian (Hubei). 4 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked potting compound brands
How this list is ranked- 01
BAIYUN
白云科技BAIYUN
- Potting compounds
- Silicone sealants
- Construction adhesive without nails
Registered legal entity on file; email and phone published; operating since 1985.
View profile → - 02
Gui Bao
硅宝
- Potting compounds
- Anti-mold sealants
- Silicone sealants
Registered legal entity on file; email and phone published; operating since 1998.
View profile → - 03
Hui Tian
回天
- Potting compounds
- Conformal coatings
- Silicone sealants
Registered legal entity on file; email and phone published; operating since 1977.
View profile →
- 04
JINSHU 金鼠JINSHU
Registered as 杭州之江有机硅化工有限公司 in 1996.
- Potting compounds
- Silicone sealants
- Construction adhesive without nails
- Damping sheets
- Weatherproof sealants
- Silicone glass sealants
Why it ranks here: registered legal entity on file; email and phone published; operating since 1996.
International potting compound brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
3M 3M
Registered as 3M中国有限公司 in 1984.
- Potting compounds
- Grinding wheel
- KN95 Masks
- Cyanoacrylate instant glue
- Air conditioner filters
- Paint protection films
Why it ranks here: registered legal entity on file; email and phone published; operating since 1902.
- INT
Dow Dow陶氏化学
Registered as 陶氏化学(中国)投资有限公司 in 1997.
- Potting compounds
- Silicone rubber
- Toughening Agents
- Propylene Oxide
- Demulsifiers
- Mold Release Agents
Why it ranks here: registered legal entity on file; phone published; operating since 1897.
- INT
Henkel Henkel汉高
Registered as 汉高(中国)投资有限公司 in 1995.
- Potting compounds
- Hot Melt Adhesive Films
- Woodworking adhesives
- Conformal coatings
- Pressure-sensitive adhesives
- Hot-melt adhesive
Why it ranks here: registered legal entity on file; phone published.
More Potting compounds brands and companies
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| JOINTAS集泰股份JOINTAS | 广州集泰化工股份有限公司 | jointas.com | 400-6702909,020-85576000 |
| FullerFuller富乐 | 富乐(广州)粘合剂有限公司 | hbfuller.com | — |
| MOMENTIVEMOMENTIVE迈图 | 迈图高新材料(南通)有限公司 | momentive.cn | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | BAIYUN白云科技BAIYUN | Guangdong | 1985 | 广州白云科技股份有限公司 |
| 02 | Gui Bao硅宝 | Sichuan | 1998 | 成都硅宝科技股份有限公司 |
| 03 | Hui Tian回天 | Hubei | 1977 | 湖北回天新材料股份有限公司 |
| 04 | JINSHU金鼠JINSHU | Zhejiang | 1996 | 杭州之江有机硅化工有限公司 |
Frequently asked questions
How many potting compounds manufacturers and suppliers in China are listed here?
10 companies are listed for potting compounds (灌封胶). 4 Chinese manufacturers have full profiles and are ranked; 3 international brands with China operations are listed separately.
Where are China's potting compounds manufacturers located?
Among profiled companies: Shanghai (3), Guangdong (1), Sichuan (1), Hubei (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 5 publish an email address.