Quick answer: the top-ranked silicone oil brands in China on this list are DYSILN (Shandong), HOSHINE (Zhejiang) and Wynca (Zhejiang). 5 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked silicone oil brands
How this list is ranked- 01
DYSILN
东岳硅材DYSILN
- Silicone Oil
- Silicone rubber
- Organosilicon Materials
Registered legal entity on file; email and phone published; operating since 2006.
View profile → - 02
HOSHINE
合盛硅业HOSHINE
- Silicone Oil
- Silicone rubber
- Organosilicon Materials
Registered legal entity on file; email and phone published; operating since 2005.
View profile → - 03
Wynca
新安Wynca
- Silicone Oil
- Silicone rubber
- Organosilicon Materials
Registered legal entity on file; email and phone published; operating since 1965.
View profile →
- 04
Xing Fa Ji Tuan 兴发集团
Registered as 湖北兴发化工集团股份有限公司 in 1994.
- Silicone Oil
- Organosilicon Materials
- Reducing agent
- Phosphate fertilizer
Why it ranks here: registered legal entity on file; email and phone published; operating since 1994.
- 05
Runhe 润禾材料Runhe
Registered as 宁波润禾高新材料科技股份有限公司 in 2000.
- Silicone Oil
- Textile dyeing auxiliaries
Why it ranks here: registered legal entity on file; email and phone published; operating since 2000.
International silicone oil brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Lan Xing You Ji Gui 蓝星有机硅
Registered as 埃肯有机硅(上海)有限公司 in 1995.
- Silicone Oil
- Silicone rubber
- Organosilicon Materials
Why it ranks here: registered legal entity on file; email published; operating since 2026.
- INT
Dow Dow陶氏化学
Registered as 陶氏化学(中国)投资有限公司 in 1997.
- Silicone Oil
- 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
ShinEtsu ShinEtsu信越
Registered as 信越有机硅国际贸易(上海)有限公司 in 2003.
- Silicone Oil
- Silicone rubber
- Photoresist
- Thermal Grease
- Mold Release Agents
- Organosilicon Materials
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.
- Silicone Oil
- 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.
More Silicone Oil brands and companies
| Brand | Registered company | Website |
|---|---|---|
| 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 | DYSILN东岳硅材DYSILN | Shandong | 2006 | 山东东岳有机硅材料股份有限公司 |
| 02 | HOSHINE合盛硅业HOSHINE | Zhejiang | 2005 | 合盛硅业股份有限公司 |
| 03 | Wynca新安Wynca | Zhejiang | 1965 | 浙江新安化工集团股份有限公司 |
| 04 | Xing Fa Ji Tuan兴发集团 | Hubei | 1994 | 湖北兴发化工集团股份有限公司 |
| 05 | Runhe润禾材料Runhe | Zhejiang | 2000 | 宁波润禾高新材料科技股份有限公司 |
Frequently asked questions
How many silicone oil manufacturers and suppliers in China are listed here?
10 companies are listed for silicone oil (硅油). 5 Chinese manufacturers have full profiles and are ranked; 4 international brands with China operations are listed separately.
Where are China's silicone oil manufacturers located?
Among profiled companies: Shanghai (4), Zhejiang (3), Shandong (1), Hubei (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 6 publish an email address.