Quick answer: the top-ranked firestop sealant brands in China on this list are Fu Long (Sichuan), HELWE (Guangdong) and Ji Wei Cheng (Hebei). 5 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked firestop sealant brands
How this list is ranked- 01
Fu Long
伏龙
- Firestop sealants
- Intumescent coatings for steel structures
- Firestop pillows
Registered legal entity on file; email and phone published; operating since 1985.
View profile → - 02
HELWE
黑卫防火HELWE
- Firestop sealants
- Firestop pillows
Registered legal entity on file; email and phone published.
View profile → - 03
Ji Wei Cheng
冀伟诚
- Firestop sealants
- Firestop pillows
Registered legal entity on file; email and phone published; operating since 2007.
View profile →
- 04
Xin An 欣安
Registered as 江苏欣安新材料技术有限公司 in 2005.
- Firestop sealants
- Firestop pillows
Why it ranks here: registered legal entity on file; email and phone published.
- 05
JHAF JHAF
Registered as 河北军辉安防科技股份有限公司 in 2006.
- Firestop sealants
- Firestop pillows
Why it ranks here: registered legal entity on file; email published; operating since 2010.
International firestop sealant 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.
- Firestop sealants
- 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
HILTI HILTI喜利得
Registered as 喜利得(中国)商贸有限公司 in 2008.
- Firestop sealants
- Chemical anchor bolts
- Rotary hammer
- Pneumatic nails
- Structural reinforcement materials
- Rebar anchoring adhesive
Why it ranks here: registered legal entity on file; phone published; operating since 1941.
- INT
Sika Sika西卡
Registered as 西卡(中国)有限公司 in 2005.
- Firestop sealants
- Anti-mold sealants
- Concrete admixtures
- Waterproofing agents
- Waterproof coatings
- Fire-resistant coatings
Why it ranks here: registered legal entity on file; phone published; operating since 1910.
More Firestop sealants brands and companies
| Brand | Registered company | Website |
|---|---|---|
| Hai Long He Ke海龙核科 | 江苏海龙核科技股份有限公司 | entc.cn |
| Jin Run Gu Fen金润股份 | 烟台金润核电材料股份有限公司 | jinrun.cc |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Fu Long伏龙 | Sichuan | 1985 | 四川天府防火材料有限公司 |
| 02 | HELWE黑卫防火HELWE | Guangdong | — | 广东黑卫防火技术有限公司 |
| 03 | Ji Wei Cheng冀伟诚 | Hebei | 2007 | 伟诚防火科技集团有限公司 |
| 04 | Xin An欣安 | Jiangsu | — | 江苏欣安新材料技术有限公司 |
| 05 | JHAFJHAF | Hebei | 2010 | 河北军辉安防科技股份有限公司 |
Frequently asked questions
How many firestop sealants manufacturers and suppliers in China are listed here?
10 companies are listed for firestop sealants (防火堵料). 5 Chinese manufacturers have full profiles and are ranked; 3 international brands with China operations are listed separately.
Where are China's firestop sealants manufacturers located?
Among profiled companies: Hebei (2), Jiangsu (2), Shanghai (2), Sichuan (1), Guangdong (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.