Quick answer: the top-ranked inline duct fan brands in China on this list are INFINAIR (Shanghai), KRUGER (Shanghai) and NEDFON (Guangdong). 6 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked inline duct fan brands
How this list is ranked- 01
INFINAIR
英飞INFINAIR
- Inline duct fans
- Smoke exhaust fans
- Explosion-proof axial fans
Registered legal entity on file; email and phone published; operating since 2003.
View profile → - 02
KRUGER
KRUGER科禄格
- Inline duct fans
- Smoke exhaust fans
- Axial fans
Registered legal entity on file; email and phone published; operating since 1985.
View profile → - 03
NEDFON
绿岛风NEDFON
- Inline duct fans
- Exhaust fan
- Fresh air ventilation systems
Registered legal entity on file; email and phone published; operating since 1992.
View profile →
- 04
SHANGFENG 上风SHANGFENG
Registered as 浙江上风高科专风实业股份有限公司 in 2004.
- Inline duct fans
- Air duct dampers
- Fire dampers
- Industrial fan silencers
- Smoke exhaust fans
- Explosion-proof axial fans
Why it ranks here: registered legal entity on file; email and phone published; operating since 1974.
- 05
JINDUN 金盾股份JINDUN
Registered as 浙江金盾风机股份有限公司 in 2005.
- Inline duct fans
- Air duct dampers
- Industrial fan silencers
- Industrial fans
- Smoke exhaust fans
- Explosion-proof axial fans
Why it ranks here: registered legal entity on file; phone published; operating since 2005.
- 06
Deton 德通Deton
Registered as 广东肇庆德通有限公司 in 2000.
- Inline duct fans
- Smoke exhaust fans
Why it ranks here: registered legal entity on file; email and phone published.
International inline duct fan brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Greenheck Greenheck格林翰克
Registered as 格林瀚克通风设备(上海)有限公司 in 2002.
- Inline duct fans
- Smoke exhaust fans
Why it ranks here: registered legal entity on file; email and phone published; operating since 1947.
- INT
Rosenberg Rosenberg
Registered as 洛森通风设备(上海)有限公司 in 2003.
- Inline duct fans
- Smoke exhaust fans
Why it ranks here: registered legal entity on file; email and phone published; operating since 1981.
More Inline duct fans brands and companies
| Brand | Registered company | Website |
|---|---|---|
| TwinCityTwinCity双城风机 | 双城风机(上海)有限公司 | — |
| Walker沃克通风Walker | 上海沃克通用设备有限公司 | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | INFINAIR英飞INFINAIR | Shanghai | 2003 | 英飞同仁风机股份有限公司 |
| 02 | KRUGERKRUGER科禄格 | Shanghai | 1985 | 上海科禄格通风设备有限公司 |
| 03 | NEDFON绿岛风NEDFON | Guangdong | 1992 | 广东绿岛风空气系统股份有限公司 |
| 04 | SHANGFENG上风SHANGFENG | Zhejiang | 1974 | 浙江上风高科专风实业股份有限公司 |
| 05 | JINDUN金盾股份JINDUN | Zhejiang | 2005 | 浙江金盾风机股份有限公司 |
| 06 | Deton德通Deton | Guangdong | — | 广东肇庆德通有限公司 |
Frequently asked questions
How many inline duct fans manufacturers and suppliers in China are listed here?
10 companies are listed for inline duct fans (管道风机). 6 Chinese manufacturers have full profiles and are ranked; 2 international brands with China operations are listed separately.
Where are China's inline duct fans manufacturers located?
Among profiled companies: Shanghai (4), Guangdong (2), Zhejiang (2).
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, 8 have an official website and 7 publish an email address.