Quick answer: the top-ranked airtight door brands in China on this list are OWNIC (Zhejiang), manusa (Beijing) and EZONG (Guangdong). 4 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked airtight door brands
How this list is ranked- 01
OWNIC
欧尼克OWNIC
- Airtight doors
- Automatic sensor doors
- Medical doors
Registered legal entity on file; email and phone published; operating since 1981.
View profile → - 02
manusa
manusa欧宝
- Airtight doors
- Medical doors
Registered legal entity on file; email and phone published; operating since 1966.
View profile → - 03
EZONG
易众EZONG
- Airtight doors
- Medical doors
Registered legal entity on file; email published; operating since 1996.
View profile →
- 04
Morsdekor 马斯德克Morsdekor
Registered as 南京马斯德克金属制品有限公司 in 2007.
- Airtight doors
- Medical doors
Why it ranks here: registered legal entity on file; email published.
International airtight door brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Panasonic Panasonic松下门控
Registered as 松下电器(中国)有限公司 in 1994.
- Airtight doors
- Automatic sensor doors
- Door closers
- Medical doors
Why it ranks here: registered legal entity on file; email and phone published.
- INT
Hormann Hormann霍曼
Registered as 霍曼(北京)门业有限公司 in 1998.
- Airtight doors
- Garage doors
- Roller shutter doors
- Dock levelers
- Cold-storage doors
- Medical doors
Why it ranks here: registered legal entity on file; phone published; operating since 1935.
- INT
NABCO NABCO纳博克
Registered as 纳博克自动门(北京)有限公司 in 1995.
- Airtight doors
- Automatic sensor doors
- Medical doors
Why it ranks here: registered legal entity on file; phone published; operating since 1956.
More Airtight doors brands and companies
| Brand | Registered company | Website |
|---|---|---|
| DEPER德普尔DEPER | 江苏德普尔门控科技有限公司 | deper.com.cn |
| RecordRecord瑞可达 | 瑞可达自动门(上海)有限公司 | recorddoors.com |
| Ying Mei映美 | 浙江群喜门业有限公司 | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | OWNIC欧尼克OWNIC | Zhejiang | 1981 | 宁波欧尼克科技有限公司 |
| 02 | manusamanusa欧宝 | Beijing | 1966 | 北京欧宝通自动门技术有限公司 |
| 03 | EZONG易众EZONG | Guangdong | 1996 | 广东易众洁净科技有限公司 |
| 04 | Morsdekor马斯德克Morsdekor | Jiangsu | — | 南京马斯德克金属制品有限公司 |
Frequently asked questions
How many airtight doors manufacturers and suppliers in China are listed here?
10 companies are listed for airtight doors (气密门). 4 Chinese manufacturers have full profiles and are ranked; 3 international brands with China operations are listed separately.
Where are China's airtight doors manufacturers located?
Among profiled companies: Beijing (4), Zhejiang (1), Guangdong (1), 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, 9 have an official website and 5 publish an email address.