Quick answer: the top-ranked defoamer brand in China on this list is SIXIN (Jiangsu). 1 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked defoamer brands
How this list is ranked- 01
SIXIN 四新科技SIXIN
Registered as 江苏四新科技应用研究所股份有限公司 in 1992.
- Defoamers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1992.
International defoamer brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
ELEMENTIS ELEMENTIS海名斯
Registered as 德谦(上海)化学有限公司 in 1997.
- Defoamers
- Dispersants
- Leveling agents
Why it ranks here: registered legal entity on file; email and phone published.
- INT
BASF BASF巴斯夫
Registered as 巴斯夫(中国)有限公司 in 1996.
- Defoamers
- Antioxidant
- Epoxy Resin Curing Agents
- Demulsifiers
- Electrophoretic coatings
- Nylon materials
Why it ranks here: registered legal entity on file; phone published; operating since 1865.
- INT
BYK BYK毕克化学
Registered as 毕克助剂(上海)有限公司 in 2014.
- Defoamers
- Matting Agents
- Dispersants
- Leveling agents
- Additive
Why it ranks here: registered legal entity on file; phone published; operating since 1924.
- INT
Dow Dow陶氏化学
Registered as 陶氏化学(中国)投资有限公司 in 1997.
- Defoamers
- 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
EVONIK EVONIK
Registered as 赢创(中国)投资有限公司 in 2002.
- Defoamers
- Epoxy Resin Curing Agents
- Mold Release Agents
- Matting Agents
- Dispersants
- Silane Coupling Agents
Why it ranks here: registered legal entity on file; phone published.
- INT
ShinEtsu ShinEtsu信越
Registered as 信越有机硅国际贸易(上海)有限公司 in 2003.
- Defoamers
- Silicone rubber
- Photoresist
- Thermal Grease
- Mold Release Agents
- Silicone Oil
Why it ranks here: registered legal entity on file; phone published; operating since 1926.
- INT
WACKER WACKER瓦克
Registered as 瓦克化学(中国)有限公司 in 2005.
- Defoamers
- Silicone rubber
- Anti-mold sealants
- Silicon Feedstock
- Thermal Grease
- Mold Release Agents
Why it ranks here: registered legal entity on file; phone published; operating since 1914.
- INT
Ashland Ashland亚什兰
Registered as 亚什兰(中国)投资有限公司 in 2008.
- Defoamers
Why it ranks here: registered legal entity on file; email and phone published.
More Defoamers brands and companies
| Brand | Registered company | Website |
|---|---|---|
| MOMENTIVEMOMENTIVE迈图 | 迈图高新材料(南通)有限公司 | momentive.cn |
Frequently asked questions
How many defoamers manufacturers and suppliers in China are listed here?
10 companies are listed for defoamers (消泡剂). 1 Chinese manufacturers have full profiles and are ranked; 8 international brands with China operations are listed separately.
Where are China's defoamers manufacturers located?
Among profiled companies: Shanghai (7), Jiangsu (1), Beijing (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 3 publish an email address.