Quick answer: the top-ranked fiberglass air duct brands in China on this list are De Zhou Ya Tai (Shandong), KINFLARE (Shandong) and Zhong Da Ji Tuan (Shandong). 4 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked fiberglass air duct brands
How this list is ranked- 01
De Zhou Ya Tai
德州亚太
- Fiberglass air ducts
- Air duct dampers
- Air conditioning vents
Registered legal entity on file; email and phone published; operating since 1994.
View profile → - 02
KINFLARE
金光KINFLARE
- Fiberglass air ducts
- Air duct dampers
- Fire dampers
Registered legal entity on file; email and phone published; operating since 1970.
View profile → - 03
Zhong Da Ji Tuan
中大集团
- Fiberglass air ducts
- Phenolic composite air ducts
- Industrial fan silencers
Registered legal entity on file; email and phone published; operating since 1992.
View profile →
- 04
Wincell 赢胜Wincell
Registered as 赢胜节能集团股份有限公司 in 2002.
- Fiberglass air ducts
- Ceramic fibers
- Rubber plastic insulation boards and pipes
- Insulation wool
- Acoustic insulation wool
- Glass wool insulation
Why it ranks here: registered legal entity on file; phone published; operating since 2002.
More Fiberglass air ducts brands and companies
| Brand | Registered company | Website |
|---|---|---|
| TERASUNTERASUN | 浙江天仁风管有限公司 | tianrenduct.com |
| Wu Cheng Hua Neng武城华能 | 武城华能玻璃钢集团有限公司 | dzhuaneng.com |
| Bo Rui Si Tong博瑞斯通 | 南京博瑞斯通科技发展有限公司 | — |
| MLEX美乐斯MLEX | 广东美乐斯节能科技有限公司 | — |
| Shuang Shi双时 | 江西双时科技有限公司 | — |
| Zhong Wei Ji Tuan中威集团 | 山东中威空调设备集团有限公司 | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | De Zhou Ya Tai德州亚太 | Shandong | 1994 | 德州亚太集团有限公司 |
| 02 | KINFLARE金光KINFLARE | Shandong | 1970 | 山东金光集团有限公司 |
| 03 | Zhong Da Ji Tuan中大集团 | Shandong | 1992 | 中大空调集团有限公司 |
| 04 | Wincell赢胜Wincell | Jiangsu | 2002 | 赢胜节能集团股份有限公司 |
Frequently asked questions
How many fiberglass air ducts manufacturers and suppliers in China are listed here?
10 companies are listed for fiberglass air ducts (玻璃钢风管). 4 Chinese manufacturers have full profiles and are ranked.
Where are China's fiberglass air ducts manufacturers located?
Among profiled companies: Shandong (3), Jiangsu (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, 6 have an official website and 3 publish an email address.